Tag Archives: diesel fuel economy

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Volkswagen is fuming over the Obama Administration’s proposal to double auto fuel efficiency, saying the plan unfairly values hybrid and all-electric cars over clean diesel, a technology VW has pioneered.

Volkswagen is committed to continually making fuel efficient vehicles, such as the new mid-size, clean diesel Passat TDI, available to the U.S. market. Built in Chattanooga, TN, the Passat TDI achieves 43 mpg highway and can travel almost 800 miles on a single tank of fuel.

The Obama Administration unveiled a proposed rule that would require automakers to double the average fuel economy of their vehicles to 54.5 miles per gallon by 2025, estimating that the change would add $2,000 to the average price of a car.

The proposal brought howls of protest from automakers who warned the changes would price millions of Americans out of the new-car market, keeping older, less fuel-efficient cars on the road longer.

VW, Europe’s largest automaker and the fastest-growing automaker in the United States, already offers turbodiesel cars, station wagons and SUVs that routinely get nearly 50 miles per gallon on the highway.

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With looming fuel efficiency standards dictating future car products, major automakers are investing a lot of time and money into developing EV’s and hybrid cars. Well…except for Chrysler. Instead, the Pentastar brand has announced that the Jeep Grand Cherokee will offer a diesel engine option in 2013, with other models to follow.

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Denso, the Japanese fuel system supplier, says it will achieve common-rail system nozzle pressures as high as 3000bar in the foreseeable future. That implies an ability to start injection later in the cycle, closer to top-dead-centre, together with earlier cut-off, thereby achieving more complete combustion of the fuel, to the benefit of consumption and particulate emissions.

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The United States unveiled fuel-efficiency and greenhouse gas emission standards for long-haul trucks, heavy- and medium-duty work trucks, buses and other heavy-duty vehicles requiring mileage improvements of 9 percent to 23 percent, depending on the category.

Looking ahead to 2012, it is unclear whether Congress will continue to fund the U.S. Environmental Protection Agency’s (EPA) National Clean Diesel Funding Assistance Program. National AGC helped its interested chapters win millions in federal funds to support AGC members’ voluntary “retrofit” projects.

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It is not too early for operators of refrigerated truck and trailer fleets to consider how Environmental Protection Agency (EPA) Tier 4 Final emission standards will affect their operations and equipment budgets over the next several years. The new EPA standards will take effect Jan. 1, 2013.

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After many fits and starts, diesel cars are gaining traction in the U.S. market, fueled largely by German carmakers including Volkswagen, which opened a Tennessee plant in May.

Volkswagen officials confirmed that the company is bringing the first diesel convertible to the U.S. in the form of the new Beetle Cabrio TDI.

Audi reported its sixth-straight record-setting month for 2011 with the best U.S. sales for June in company history. Last month, consumers purchased 10,051 Audi luxury vehicles, increasing sales 16.9 percent since June 2010, during which consumers purchased 8,601 vehicles. Last month’s sales marked the fourth-best month in Audi of America history.

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The United States Postal Service (USPS) awarded Navistar Inc. with a development contract under which Navistar will engineer a diesel powertrain replacement for USPS delivery vehicles. Navistar’s re-powered diesel vehicle effort is designed to significantly reduce the escalating service and fuel costs associated with the USPS’s aging fleet.

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While consumers often cite fuel savings as the primary benefit of owning an alternative powertrain vehicle, the reality for many is that the initial cost of these vehicles is too high.

Sales of clean diesel vehicles are outpacing sales of hybrids by a full 17.1 percent. Additionally, the total cost of ownership is lower for a clean diesel car. Clean diesel sales continued to reflect the surging demand for fuel-efficient models as the Audi A3 TDI and the Audi Q7 TDI accounted for 61 percent and 47 percent in their vehicle lines, respectively.