article thumbnail

Ceres: national fuel economy and emissions standards can increase viability of domestic automakers and suppliers

Green Car Congress

New analysis commissioned by Ceres, a sustainability nonprofit organization working with investors and companies, suggests that national fuel economy and emissions standards can help increase the viability and international competitiveness of domestic automakers and suppliers. The analysis, “ What’s Driving the U.S —Alan Baum.

article thumbnail

ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

Green Car Congress

Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. They presented their results in a paper at SAE 2014 World Congress in Detroit.

article thumbnail

New larger 2019 Volkswagen Jetta boosts fuel economy over curren generation

Green Car Congress

The all-new 2019 Volkswagen Jetta, unveiled in January at the North American International Auto Show (NAIAS) in Detroit ( earlier post ) will offer improved EPA-estimated fuel economy for the model: 30 mpg city (7.8 L/100km) and 40 mpg (5.88 L/100km) highway, for a combined 34 mpg (6.91 L/100km) and 40 mpg (5.88

article thumbnail

ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

Huff Fuels, Engines and Emissions Research Center, Oak Ridge National Laboratory. This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal

article thumbnail

Ricardo-led technology demonstrator delivers 72% improved fuel economy over regular Humvee

Green Car Congress

Ricardo released an analysis of two years of on-the-ground testing of the Ricardo-engineered Fuel-Efficient Ground Vehicle Demonstrator (FED) showing that, when compared to the US military’s regularly outfitted M1151 HMMWV (“Humvee”), the FED experienced a 72% improvement in fuel economy. Earlier post.)

article thumbnail

Bentley’s new 616hp 12-cylinder GT Speed convertible with 8-speed and energy recuperation improves fuel economy by 15%

Green Car Congress

Bentley will introduce the new Continental GT Speed Convertible at the North American International Auto Show in Detroit this month. liter W12 combined with a close-ratio eight-speed ZF transmission to deliver a 15% improvement in fuel economy. Provisional EU cycle fuel consumption figures are 22.7 Click to enlarge.

article thumbnail

Chevron introduces new category of heavy-duty motor oil for severe duty applications; improved fuel economy

Green Car Congress

The increase in severe duty operations is due to changing driving habits on highway, including shorter haul lengths, the growth in intermodal delivery, and more stop-and-go operations, while off-highway has new energy efficient equipment that helps minimize fuel usage by cycling engines from load to no load.

Chevron 210