article thumbnail

EPA, NHTSA issue One National Program Rule; EPA withdraws CA waiver for GHG and fuel economy

Green Car Congress

Specifically, in this action, NHTSA is affirming that its statutory authority to set nationally applicable fuel economy standards under the express preemption provisions of the Energy Policy and Conservation Act (EPCA) dictates that such state and local programs are preempted. Earlier post.)

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

Hagens Berman files class-action fuel economy and emissions lawsuit against Fiat Chrysler and Cummins over SCR defect in RAM 2500 and 3500 diesels

Green Car Congress

The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. When the SCR system breaks down, the filter gets clogged, requiring more fuel to be injected to burn it off, according to the complaint.

article thumbnail

Study concludes that automakers tweak vehicle fuel economy to qualify for more favorable treatment; focus on car notches

Green Car Congress

In response to federal policies to boost gas mileage, manufacturers have changed vehicle weights, improved tire-rolling resistance and added aerodynamic features to push fuel-economy rates past government-mandated thresholds. mpg and 22.4 mpg) that lead to large changes in tax liability or the amount of a subsidy. mpg and 22.4

article thumbnail

DeltaWing to develop GT race car concept; step toward street-legal DeltaWing sports car

Green Car Congress

The racer will be designed to demonstrate that with far less horsepower than many of today’s best sports cars, a two-seat performance car based on the DeltaWing architecture would deliver the same performance, yet with previously unattained fuel economy and efficiency. Enzymes Fuel Efficiency Motorsport Weight reduction'

Legal 150
article thumbnail

India to Move Forward With Fuel Economy Standards

Green Car Congress

The government of India will implement automotive fuel economy standards. Times of India. The Bureau of Energy Efficiency (BEE) will formulate the norms and notify them under the Energy Conservation Act while the surface transport ministry will ensure the implementation.

article thumbnail

Aluminum industry says NHTSA/EPA draft rule assumptions on lightweighting in small cars false

Green Car Congress

The agencies clearly recognize the body of data and on-the-road examples that confirm mass reduction through stronger, yet lighter materials helps deliver safe, fuel efficient and cost-effective vehicles to meet or exceed consumer demands. Long term regulatory certainty to enable appropriate investment. —Mario Greco.

EPA 276