emissions

Volkswagen will recall 8.5 million diesel cars in Europe, including 2.4 million in Germany.

A new report names utilities and interest groups fighting against the growth of solar power.

Carmakers want to cut off public access to their software, potentially hampering important independent research.

France will extend an incentive for scrapping old diesel cars to newer models.

As Volkswagen works overtime to figure out what changes it will make to 482,000 TDI diesel cars sold in the U.S. with a "cheat mode" that let them comply with emission rules, an obvious question arises. What will those cars be like to drive and own when they're fixed? Consumer Reports, one of only...

Volkswagen's U.S. CEO, Michael Horn, spent several hours yesterday testifying in front of a Congressional panel on the company's growing TDI diesel-emission cheating scandal. From that testimony, we can now break down how many cars and which models were affected, how the company expects to fix...

Buyers of various Volkswagen TDI diesel vehicles took about $50 million in Federal income-tax credits in 2009 for the purchase of their supposedly green car. With Michael Horn, CEO of VW Group of America, testifying to Congress today, those credits--and whether the Federal government should be...

Michael Horn, CEO of Volkswagen's U.S. arm, will testify today before Congress on the VW diesel-emission cheating scandal, including what he knew and when he knew it. His testimony, released yesterday, included a nugget of future product information: VW has withdrawn its application for...

"You have power, you have energy, you have emissions: You get to choose two of them." That's the conundrum facing diesel-engine engineers, as summarized by Don Hillebrand, the director of energy systems research at Argonne National Laboratory in Illinois. And the VW diesel emission cheating scandal...

Thus far, it's a been a quiet start to the third week of the Volkswagen diesel-emission cheating scandal. Eight years' worth of VW TDI models, both new and used, have been taken off sale at the company's North American dealerships. We surmise its engineers are working around the clock at their...

The EPA may begin testing new cars on the road, instead of just in the laboratory.

Volkswagen diesel owners fell betrayed by the carmaker.

The amount of fuel saved per vehicle is more important than the fleet average, new analysis claims.

The bad news for Volkswagen just keeps on coming. In the last week, the company has fired much of its upper management, eradicated all mention of its TDI diesels from its U.S. website, and admitted that 11 million diesel vehicles have software that enabled them to pass emission tests while emitting...

EPA chief Gina McCarthy says the agency will make greater efforts to stop cheating.

We're just four days into the Volkswagen diesel-emission cheating scandal, but it's not too early to ask about its ultimate ramifications. The 482,000 VW and Audi cars being investigated by the EPA are a majority of all the diesel passenger cars sold in the U.S. since 2008, when new and tougher...

A new study claims electric cars and the grids that power them could have a major impact on greenhouse gas emissions.

Amidst a growing list of probes into Volkswagen's diesel-emission cheating scandal, the U.S. Environmental Protection Agency is expanding its investigation to cover additional diesel engines used in VW Group vehicles. The original admission by the company that it used a software "defeat device" to...

Volkswagen AG said today it would adjust its third-quarter earnings to set aside $7.3 billion (€6.5 billion) for costs related to its admission that it used software to cheat on U.S. emissions tests of its diesel engines. That sum will "cover the necessary service measures and other efforts to...

Changes to the tax code could make LNG more attractive to truckers.