Diesel Engine Fuel System

2012 VW Passat brings hybrid-beating diesel tech stateside

Imagine driving Chicago to Atlanta, or Seattle to Napa Valley, without refueling, in a roomy car. It’s possible if you switch from gasoline to diesel technology and set the cruise control to 65 or 70 on the interstate. That makes the diesel engine version of the new 2012 Volkswagen Passat (about $26,000) more desirable than the gasoline powered Passats that 80% of Americans will buy, and with its excellent fuel economy, perhaps more desirable than hybrids like the Prius, too. Diesel engines used to be loud, smelly, dirty, and slow, but technology has cured those problems. Now it’s simply a perception problem for VW, Audi, BMW, Mercedes-Benz and others selling diesel passenger cars.

In a test drive of the new, 2012 model VW Passat diesel, the trip computer showed fuel economy around 45 mpg on long stretches of interstate highway. Bring the speed down below 60 mph and it approached 50 mpg on flat terrain, push it hard going up hills and it fell back by the same ratio. Volkswagen and the EPA rate this diesel at 43 mpg on the highway. Combine that with an 18.5 gallon (70 liter) tank and you’ve got the 800-mile range. (Your bladder should hold out that long.) What it means is that on the longest trip you’ll ever take in one day, your rest stops won’t be extended waiting to pump fuel. And back at home, where city mileage is still decent, you’ll be refueling less often, say every two weeks rather than 10 days.

Technology of the past decade made diesels more like their gas-engine counterparts, including cleaner. One of the biggest improvement was the EPA’s 2006 order that refiners switch to low-sulfur diesel fuel, which yielded a dramatic reduction in emissions and the rotten-egg exhaust smell. Changing how the diesel fuel was injected into the engine – more precise timing, higher and higher injection pressures – improves starting and reduces clatter (the sound like the engine is falling apart) when it’s cold or idling. Injecting urea into the exhaust from a tank in the trunk reduced emissions even more (see right).

All this means a car like the VW Passat is worth considering if you’re driving lots of miles and you plan to keep the car a long time. Diesel engines cost more, about $1,500 more in the case of the Passat, but they last for hundreds of thousands of miles. You may get bored with the car long before it needs to be scrapped, especially since VW made the Passat diesel light on the options list – vinyl upholstery only, no sunroof option – because the Passat diesel will likely be a fifth of sales.

Asia-Pacific natural gas vehicles on diesel power jointly holding ...

And Shanghai Diesel engine Co., Ltd. (hereinafter referred to as: Diesel power) jointly organized the “Green Power Pioneer drive a better life and the Asia-Pacific natural gas vehicles on the Organization of Chinese tour cum green diesel power trip” activities, with the “Pioneer City,” said Shenzhen. The holding of this event laid the gas Engine In the commercial buses, trucks, field position, means in the foreseeable future few years, natural gas engines will become environmentally friendly construction, energy-saving force in the community.

2008 year, the diesel power into SAIC, not only relying on its own complete system of diesel engine products, a Shanghai Car Construction of commercial vehicle components system, an important member of the core. SAIC-owned Chongqing Hongyan heavy-duty trucks, light trucks, Yuejin Nanjing Auto and Shanghai Sunwin Bus, Shanghai Huizhong and other bus companies, and many other strong demand for the diesel engine in the car market up again laid a solid foundation.

Power market in China, the wood has been the pioneer of technology: From 1958 to design, create the first fully Chinese-made engine of the 6135 start to a sounding rocket engine, the first China-made navy throw the boat engine off the assembly line, the first China-made power internal combustion locomotives, the diesel engine continuously fill the blank of China.

ANGVA China tour is similar to the Olympic torch relay in a project, the starting point of this event is passed to Iran, end the Korean, means Malaysia, Thailand, Singapore, Indonesia, Vietnam and other Southeast Asian countries. China held a total of two stops, start the ceremony in Shenzhen, the closing ceremony of Tianjin. October 2009 27 to 29, Dongguk Gimhae (Donghae) City will host the third Asia-Pacific Natural Gas Vehicles Conference and Exhibition, the project will be delivered to the site.

News Links: ANGVA the Asia-Pacific natural gas vehicle body, the Asia-Pacific region’s most influential natural gas associations, members of the firms in upstream and downstream gas industry, relevant government departments and national associations and so on.

ANGVA hope green tour (GreenHighwaysProject) activities to promote and increase natural gas vehicles along the gas equipment and other related industries. Project in each country have a major Cooperation Partners, the main basis for cooperation and partners will determine the pattern of activity.

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