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Topic: Combined diesel-electric and gas

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Diesel, Hybrids Are Only Short-Term Trends As Car Makers Seek Fuel Shortage Solution Hybrid cars draw power from at least two energy sources, typically a gas or diesel engine combined with an electric motor. "There has been very rapid growth in the last 10 years," said Adriane Brown, president and CEO of Honeywell Transportation Systems, a $4.3 billion business that produces turbochargers for both diesel and gas-powered engines. "Diesel is popular in Europe, clearly, but it's a short-term trend," said Laurent Aebi, a product specialist at Honda Motor Co., which was displaying its new FCX fuel cell car, powered by an electric motor that uses hydrogen as its energy source. www.theautochannel.com /F/news/2005/03/02/002738.html

MEPIU In the town of Balti one gasoline and one gas fueled units were in operation, and in Cetatea Alba two generation units, one steam and the other diesel fueled. In the year 1939 in Chisinau were operating one Combined heat and power plant with capacity 1000 kW and a diesel generation unit, with smaller capacity. Up to the year 1946 in RSSM a number of 187 power plants were in operation and by the year 1950 the combined capacity of all built plants was exceeded by 3.3 times the prewar capacity and electric power production respectively higher by 5.8 times. www.mepiu.moldnet.md /market.html

Hybrid buses take to roads, using diesel - Green Machines - MSNBC.com The first gas/electric car sold in the U.S. Hybrids draw power from two energy sources, typically a gas or diesel engine combined with an electric motor. The 60-foot vehicles, which are more expensive than standard diesel buses, deliver up to 60 percent greater fuel economy and can reduce emissions by as much as 90 percent, GM said. King County Metro Transit "retrofitted many of its buses with equipment that traps diesel exhaust and is operating its entire fleet on ultra-low sulfur diesel fuel, reducing toxics and fine-particle emissions by up to 95 percent," director Dennis McLerran said in a statement. www.msnbc.msn.com /id/5075705

Navy Matters CVF Propulsion The electric motors are supplied by electricity generators which may consist entirely of gas turbines alternators, or be or a combination of diesel alternators and gas turbines alternators. The diesel engine and the gas turbine of a propelling line are coupled with the reducer with the strong paces. The Rolls-Royce WR-21 gas turbine alternator installed is rated at 21MW at 4,160V/60Hz; a second gas turbine set is rated at up to 4MW at the same voltage and frequency, while a 1MW diesel genset is connected to low voltage (440V) busbars. navy-matters.beedall.com /cvf6.htm

General Electric LM2500 - Wikipedia, the free encyclopedia The LM2500+ is a combined diesel and gas (CODAG) engine that combines electrical propulsion and a basic LM2500 engine. Queen Mary 2, the world's largest transatlantic cruise liner, uses 2 LM2500+ CODAG units. The General Electric LM2500 industrial and marine turboshaft gas turbine is a derivative of GE Aircraft Engines' CF6-50 aircraft engine. en.wikipedia.org /wiki/General_Electric_LM2500

TWENTIETH Gas turbines were used for high­speed operation, and conventional plants were used for cruising. The United States entered the gas turbine field in late 1941 when General Electric was awarded a contract to build an American version of a foreign-designed aircraft (gas turbine) engine. The concept of using a gas turbine to propel a ship goes back to 1937 when a Pescara free-piston gas engine was used experimentally with a gas turbine. www.tpub.com /fireman/45.htm

Shipping, shipbuilding, offshore news Oosterdam is a Holland America Line vessel that features one LM2500 gas turbine-generator set in a CODAG configuration with five diesel generator-sets.The 951-foot ship has a 105.8-foot beam, a maximum speed of 24 knots (service speed is 22 knots) and capacity for 1,848 passengers. This vessel features one GE LM2500+ gas turbine-generator set in a COmbined Diesel And Gas turbine (CODAG) configuration with two diesel generator-sets. Each ship features two GE LM2500+ gas turbine-generator sets in a COmbined Gas turbine and steam turbine integrated Electric drive system (COGES). www.marinelog.com /DOCS/NEWSMMIII/MMIIIAug12a.html

Company Profile: MTU (March 1998) Now, for the new frigates, MTU supplied a system with a huge modification and dubbed it CODAG, which means Combined Diesel And Gas turbine, which allowed for both types of engines to be engaged at the same time. Formerly, the older frigates used a system called CODOG which was short for Combined Diesel Or Gas turbine, which meant that the frigate had a choice of which engine to run at specific times. The machinery itself is comprised of two 7,400 kW, fully encapsulated, MTU 20V 1163 engines in acoustic enclosures and one General Electric LM2500 gas turbine of the power uprated version with 23,500 kW, which is also encapsulated. www.marinelink.com /mar98/mr03404.htm

Alexander's Gas & Oil Connections - GM to build its first hybrid bus in China next year Hybrids draw power from two energy sources, typically a gas or diesel engine combined with an electric motor. Thousands of natural gas buses are already on the road in some Chinese cities, and the country has increasing access to natural gas, which offers a cleaner option than diesel or gasoline buses. Alexander's Gas & Oil Connections - GM to build its first hybrid bus in China next year www.gasandoil.com /goc/company/cns44568.htm

X-Craft / Littoral Surface Craft-Experimental (LSC(X)) / FSF 1 Sea Fighter is powered by a combined diesel or gas turbine (CODOG) engine plant outfitted with two MTU 595 diesel engines and two General Electric LM2500 gas turbines. Two well-proven MTU 16V 595 TE90 diesel engines and two GE LM2500 gas turbines are used in a COmbined Diesel Or Gas turbine (CODOG) configuration with a corresponding gearbox, propelling the X-Craft with four waterjets to speeds of more than 50 knots. The structure of the vessel is all aluminium with propulsion by waterjets driven by gas turbines for high speed operation and diesel engines for lower speed loitering. www.globalsecurity.org /military/systems/ship/x-craft.htm

General Electric : Queen Mary 2 Powered by GE Turbines The Cunard Lines cruise ship is powered by two GE LM2500+ aeroderivative gas turbine-generators and four diesel generator-sets in what is known as a Combined Diesel And Gas turbine (CODAG) propulsion system - marking the first time two gas turbines have been installed on a cruise ship in this type of arrangement. The CODAG system takes advantage of the gas turbines' efficient full power, ocean-going capabilities, combined with the good maneuvering characteristics of the diesel engines. The gas turbines were manufactured at GE Transportation's Evendale, Ohio facility. www.ge.com /stories/en/20109.html

GE Transportation - Aircraft Engines: GE's LM Aeroderivative Gas Turbines Are Experienced in Flexible, Combined-Engine Configurations These arrangements are ideal for those who need both the fuel efficiency of diesels for range and operating economy up through mid-ship speed, and the unmatched power of GE gas turbines when higher ship speeds are required. In the commercial marine arena, 93 GE LM gas turbines can be found on 50 ships, in various hull configurations and in both mechanical and electric drive propulsion systems. GE Marine Engines is the world's largest designer, developer and manufacturer of aeroderivative gas turbines for a variety of commercial and military marine propulsion applications. www.geae.com /aboutgeae/presscenter/marine/marine_2003415b.html

Bob's Links and Rants: Toyota may make diesel and natural gas hybrids Toyota may release cars powered by an electric motor combined with a diesel or natural gas-fuelled piston engine to suit local market needs, senior managing director Hiroyuki Watanabe said. The diesel models will of course be able to run on biodiesel, and the natural gas models will be extremely clean. Toyota is "developing hybrid systems that can be used for gasoline, diesel, natural gas and fuel cells, which will be the most fuel-efficient," Watanabe said in an interview in Tokyo. www-personal.umich.edu /~bgoodsel/post911/2004/08/toyota-may-make-diesel-and-natural-gas.htm

GE Marine makes gains with cruises An Evendale-built LM2500 aeroderivative gas turbine recently began operating a combined diesel and gas turbine configuration on the Holland America Line's 1,800-passenger Zuiderdam cruise ship. GE has combined the turbines on four Celebrity Cruise and two Royal Caribbean International cruise ships with steam turbine integrated electric drive systems supplied by Houston-based GE Aero Energy Products. Five GE LM2500 and 22 LM2500-plus gas turbine generator sets are either in operation on cruise ships or planned. www.enquirer.com /editions/2003/03/14/biz_notes14.html

JS Online: Automakers keep looking for newest technology Hybrids draw power from two energy sources, typically a gas or diesel engine combined with an electric motor, and surplus engine power is used to continually recharge the vehicle's battery. Eventually, GM envisions allowing customers to choose a hybrid system based on how much they want to pay and how much gas they want to save. Pratt says he thinks demand for hybrids will peak around 2011, at 3% of the market, because there's a limit to the number of customers willing to pay more for a vehicle that will save them a few hundred dollars a year on gas. www.jsonline.com /wheels/peak/feb05/304783.asp

The Oakland Press: Auto/Business: Ford: Rebates, higher gas tax could bolster hybrids Hybrids draw power from two different energy sources, typically a gas or diesel engine combined with an electric motor. Ford Motor Co. Chairman and CEO Bill Ford stands by the new Ford Escape Hybrid after the "Manhattan on a Tank of Gas" fuel economy demonstration in New York. But he said he wasn't prepared to say now how big of a tax increase might be appropriate and acknowledged such a tax hike "doesn't have legs" in the political arena. www.theoaklandpress.com /stories/040804/bus_20040408086.shtml

General Electric : Powering Cruise Ships Propulsion system: One GE LM2500+ gas turbine-generator set in a COmbined Diesel And Gas turbine (CODAG) configuration with either two or four diesel-generator sets. Propulsion system One LM2500 gas turbine-generator set in a CODAG configuration with five diesel-generator sets. Propulsion system: Two GE LM2500+ gas turbine-generator sets in a COmbined Gas turbine and steam turbine integrated Electric drive System (COGES) configuration. www.ge.com /stories/en/10943.html

Boston.com / Business / Hybrid vehicle registrations up more than 25 percent in 2003, stats show Hybrids draw power from two different energy sources, typically a gas or diesel engine combined with an electric motor. DETROIT (AP) The number of Americans driving hybrid cars jumped more than 25 percent in one year, a trend that is expected to continue because of high gas prices and automakers' plans for more hybrid models. Ford chairman and chief executive Bill Ford said earlier this month the federal government should offer tax breaks of about $3,000, or possibly boost gas taxes to spur consumer interest in hybrid vehicles. www.boston.com /business/articles/2004/04/22/hybrid_vehicle_registrations_up_more_than_25_percent_in_2003_stats_show?mode=PF

CRUISING 3 MAN BandW Diesel and MAN GHH Borsig have jointly announced that they will offer CODAG (combined Diesel Engine and Gas Turbine Electric) propulsion systems for cruise ship applications. Both types of prime mover—diesels and gas turbines—drive generators in the CODAG arrangement, delivering the electrical power required for ship propulsion and hotel load. The CODAG system combines the advantages of the two engine types, giving high efficiency and high energy density and reducing weight and space requirements. www.marinelog.com /DOCS/PRINT/MMcruz3.html

J.D Power Predicts Hybrids' Market Share American International Automobile Dealers This year, the number of hybrid models - which typically draw power from a gas or diesel engine combined with an electric motor - is expected to increase to 11 from eight, and J.D. Power-LMC Automotive Forecasting Services says sales will grow to 200,000, or about 1.2 percent of the market. During a speech to several thousand industry professionals, Ghosn said hybrids make a "nice story," but they're not yet a good "business story" because their value is lower than their cost. J.D. Power-LMC expects the number of models to expand to 38 by 2011 - 17 cars and 21 trucks and sport utility vehicles - but that sales will plateau that year at about 535,000, or roughly 3 percent of the U.S. market. www.aiada.org /article.asp?id=32527

Canada's Navy: HMCS MONTREAL - About the Ship MONTRÉAL is powered by a combined diesel or gas (CODOG) propulsion system comprised of a twenty cylinder Pielstick cruise diesel, and two General Electric LM 2500 gas turbines (GTs). Our electricity is generated by four diesel generator sets which supply two electrical switchboards. Each of these generators are mounted in individual acoustic enclosures, and are located in the auxiliary machinery rooms. www.navy.dnd.ca /montreal/about/ship_about_e.asp?category=31

General Electric LM2500 - Wikipedia, the free encyclopedia The LM2500+ is a combined diesel and gas (CODAG) engine that combines electrical propulsion and a basic LM2500 engine. The General Electric LM2500 industrial and marine turboshaft gas turbine is a derivative of GE Aircraft Engines' CF6-50 aircraft engine. As of 2004, more than one thousand LM2500 gas turbines have been in service for more than 26 international navies. en.wikipedia.org /wiki/General_Electric_LM2500   (174 words)

General Electric LM2500 - Art History Online Reference and Guide The LM2500+ is a Combined Diesel And Gas (CODAG) engine that combines electrical propulsion and a basic LM2500 engine. The General Electric LM2500 industrial and marine turboshaft gas turbine is a derivative of GE Aircraft Engines ' CF6-50 aircraft engine. The LM2500 is offered in addition to the LM6000. www.arthistoryclub.com /art_history/General_Electric_LM2500   (174 words)

General Electric LM2500 - Wikipedia, the free encyclopedia The General Electric LM2500 industrial and marine turboshaft gas turbine is a derivative of GE Aircraft Engines' CF6-6 aircraft engine. The LM2500+ is an evolution of the LM2500, delivering up to 40,200 shp or 28.6 MW of electric energy when combined with a generator. As of 2004, more than one thousand LM2500 gas turbines have been in service for more than 26 international navies. en.wikipedia.org /wiki/General_Electric_LM2500   (249 words)

chevrolet diesel engine draw power from two energy sources, typically a gas or diesel engine combined with... fuel by adding one or more electric motors to a conventional gasoline or diesel engine. range is the 145hp 2.0-litre engine and forming... chevrolet-info.acdom.com /chevrolet-diesel-engine.html   (249 words)

CalCars: Kudos Ed Kjaer, director of electric transportation at Southern California Edison, argues that plug-ins represent a natural evolution of hybrid technology, which today essentially burns gas to generate electricity....George W. Bush, the former Texan oilman, has begun talking up corn ethanol and clean diesel and has endorsed a $4,000 tax credit for purchases of hybrid cars. As Luft notes, if you combined a plug-in hybrid system with a flex-fuel system that burns 80 percent alcohol and 20 percent gasoline, you could end up stretching each gallon of gasoline up to 500 miles. Duncan said the plug-in hybrid was "very realistic, because it's not that big a leap in technology." Look what Felix has done with Prius off the street," he added. www.calcars.org /kudos.html   (3837 words)

Armed Forces - Royal Navy - n3a7 - Royal Naval Vessels - Duke Class Frigates (Type 23) These ships are powered by a CODLAG system (Combined diesel-electric and gas-turbine propulsion) and the diesel-electric is used for minimum underwater noise during ASW operations. CODLAG Type system with 2 x Rolls Royce Spey SM1A gas turbines delivering 18,770shp each. The first of class was ordered from Yarrows on 29 October 1984 at the height of the Cold War. www.armedforces.co.uk /navy/listings/l0016.html   (3837 words)

Greenhouse Gas Technology : Southern Research Institute The EPA’s ETV Greenhouse Gas Technology Center and Southern Research Institute are seeking to develop partnerships with organizations and fleet owners interested in the performance verification and demonstration of diesel hybrid technologies, including diesel-electric hybrids, diesel-hydraulic hybrids, and hybrid transmissions for medium and heavy duty diesel trucks. The ETV Greenhouse Gas Technology Center, operated by Southern Research Institute (SRI), is soliciting vendors for verification testing of technologies associated with distributed electrical generation (i.e., fuel cells, Stirling engines, reciprocating engines, fuel treatment/reformers), including combined heating/cooling and power applications (e.g., waste heat recovery for space heating, water heating, thermally activated chillers/refrigeration, dehumidification, etc.). The EPA’s ETV Greenhouse Gas Technology Center and Southern Research Institute are seeking to develop partnerships with organizations and fleet owners interested in the performance verification and demonstration of on-board idle reduction technologies for medium and heavy duty diesel trucks. www.sri-rtp.com /Current_Events/current_events_index.htm   (966 words)

Tri-ang Minic Ships - Modern Edition P 730 Type 23 Frigate The Type 23 Frigates are powered by Combined Diesel, Electric and Gas Turbine Engines (CODLAG) with the gas turbines being used for cruising while the electric motors allow for virtually silent running when performing anti-submarine duties. The ships are designed to be "stealthy" with the hull having rounded edges and all vertical surfaces having a slope of 7º to reduce the radar signature of the vessel while the funnels are fitted with cooling devices to reduce the heat signature. The model is marked on the underside with the famous Tri-ang Minic logo, the model number, "Royal Navy Modern Edition", and the description "Type 23 Frigate". www.triangminicships.com /modern_edition/navyships/type_23_class.htm   (966 words)

Tri-ang Minic Ships - Modern Edition P 730 Type 23 Frigate The Type 23 Frigates are powered by Combined Diesel, Electric and Gas Turbine Engines (CODLAG) with the gas turbines being used for cruising while the electric motors allow for virtually silent running when performing anti-submarine duties. The ships are designed to be "stealthy" with the hull having rounded edges and all vertical surfaces having a slope of 7º to reduce the radar signature of the vessel while the funnels are fitted with cooling devices to reduce the heat signature. The model is marked on the underside with the famous Tri-ang Minic logo, the model number, "Royal Navy Modern Edition", and the description "Type 23 Frigate". www.triangminicships.com /modern_edition/navyships/type_23_class.htm   (263 words)

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