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

Green Car Congress

This action is based on the premise that federal law preempts state and local tailpipe greenhouse gas (GHG) emissions standards as well as zero emission vehicle (ZEV) mandates. EPA said that the legal basis for withdrawing the California waiver is under CAA section 209(b)(1)(B), which covers compelling and extraordinary conditions.

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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 US (12.7

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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
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Final US mpg rules through 2031 go easy on gas trucks, SUVs

Baua Electric

The federal government on Friday revealed vehicle efficiency standards for 2027-2031 that improve the fleet fuel efficiency of new cars and trucks—slightly. The consumer organization Consumer Reports called them underwhelming and said that the NHTSA standards “only check the box on its legal requirement.”

MPG 52
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Pro-Tesla States, Gas Mileage-Rules Threatened, Lit Motors C-1 Demo Video: Today's Car News

Green Car Reports

We finish off the week with a look at where Tesla Motors can legally sell cars directly to customers, examine how dropping gas prices could impact impending Corporate Average Fuel Economy (CAFE) rules, and the Lit Motors C-1 electric motorcycle goes for a test run in a new video. All this and more on Green Car Reports.

Gas 143
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Junkyard Find: 1987 Chevrolet Sprint ER

The Truth About Cars

What was the most fuel-efficient (mass-produced, internal combustion-powered, highway-legal, non-gray-market, four-wheeled, et freakin' cetera) new car available in the United States during the 1980s? It appears that this engine was not legal for sale in high-altitude areas. Just $66 with gas priced at $1.16 per gallon.

Chevrolet 105
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Obama Administration Opens Up Oil and Gas Development and Exploration in Gulf of Mexico, Atlantic and Arctic

Green Car Congress

The Obama Administration will expand oil and gas development and exploration on the US Outer Continental Shelf, while protecting fisheries, tourism, and places off US coasts that it says are not appropriate for development. And the only way this transition will succeed is if it strengthens our economy in the short term and the long term.

Obama 170