EPA

Fiat Chrysler will abandon the use of diesel engines in all its passenger vehicles by 2022, according to a report Sunday. Demand for diesel versions of passenger cars in Europe is waning and car makers face extraordinarily high costs to get diesel engines to comply with emission limits in...

Investigators probing U.S. models of Mercedes-Benz sold with diesel engines have found software, possibly illegal under EPA rules, that helped them pass emission tests. Such software may be similar to that notoriously used in 580,000 vehicles sold by VW, Audi, and Porsche from 2009 through 2015 in...

With the release of proposed new and lower fuel-economy rules expected from the NHTSA by March 30, many eyes have turned to the powerful California Air Resources Board. The state's pioneering role in reducing emissions and cutting air pollution predates even the existence of the U.S. Environmental...

It's been clear that under the Trump administration, the NHTSA and EPA plan to roll back linked fuel-economy rules and emission limits on new vehicles. Now a possible justification that will be used has emerged—and it's not the one many advocates had expected. According to a Bloomberg report...

While VW is moving toward the end of buybacks, payments, and fines for eight years of cheating on diesel emission standards, Fiat Chrysler is still in the thick of its own diesel mess involving Jeep SUVs and Ram trucks. On February 2, the U.S. Justice Department offered to let the company move...

One year ago at the Detroit auto show, a company called Achates Power unveiled models of a new kind of internal-combustion engine. With opposed pistons in the middle and crankshafts at either end, it was sufficiently different to startle most visitors who paid attention. That engine came with some...

Pick-ups and SUVs are rapidly taking over the American automotive landscape, but there's at least one measure in which it benefits an automaker to sell fewer of those vehicles. In the Environmental Protection Agency's latest "Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel...

It's been hanging out there in limbo for more than six months: the answer to the question of what happens to gas-mileage rules under Trump. Given the daily political turmoil emanating from Washington, D.C., the fate of corporate average fuel economy rules may have gotten lost in the noise. But for...

Though the Environmental Protection Agency has already ruled on ethanol-blended gasoline mixtures for 2018, that hasn't stopped ethanol advocates from pushing for a higher 30-percent blend for non-flex-fuel vehicles. The latest call for ethanol comes from corn-state ethanol refiners, farmers, and...

As they say, the best compromise is usually the one that leaves all parties equally dissatisfied. When it comes to the Environmental Protection Agency's renewable-fuel mandate, it seems regulators have reached equilibrium. The latest skirmish in the long-running battle over the U.S. renewable-fuel...

EPA head Scott Pruitt will likely go down as one of the most controversial agency chiefs in that agency's history of almost 50 years. The former Oklahoma attorney general, who sued the EPA 14 times on behalf of fossil-fuel interests during the Obama administration, has a radically different view of...

When top U.S. scientists released the fourth National Climate Assessment, it spelled out one blunt conclusion: human activity in releasing carbon dioxide into the atmosphere caused the climate change that has warmed the globe. Mandated for release every four years, the report will apparently have...

When the Environmental Protection Agency quietly issued its new four-year plan in mid-October, the phrase "climate change" did not appear anywhere in the 38-page document. It is now clear the Trump Administration intends to delay, halt, or erase government efforts to limit U.S. emissions of carbon...

The EPA recently announced it will roll back the Clean Power Plan, one of former President Obama's milestone efforts to fight climate change, and now the agency plans to axe another rule limiting emissions. Next on the chopping block is a regulation that limits emissions from large trucks and their...

Following years of debate, the EPA said earlier this month it will study the possibilities of cutting the amount of ethanol in the United States' gasoline supply. Since 2007, the Renewable Fuel Standard (RFS) has required growing amounts of ethanol to be blended into U.S. fuel supplies, with...

Scott Pruitt, head of the Environmental Protection Agency, has had a very busy schedule since being confirmed to lead the agency set up to protect America's air, water, and land from pollution. Unlike his predecessors, Pruitt—a climate-science denier and aggressive advocate of fossil...

Since 2007, the Renewable Fuel Standard has required increasing levels of ethanol in gasoline blends sold in the U.S. Most fuel stations across the United States no longer offer pure gasoline, with E10—a blend of 10 percent ethanol and 90 percent gasoline—prevailing. After years of...

The period for public comments on the EPA's proposed reconsideration of finalized rules to cut emissions of the climate-change gas carbon dioxide from light-duty vehicles will end on Thursday, October 5. The U.S. Environmental Protection Agency announced on August 10 it would reopen the Comment...

Donald Trump's White House appears to be readying another of its next big climate change overhauls, and like many of the administration's plans, it will weaken or eliminate regulations on industry. Specifically, President Trump touted the undoing of the Clean Power Plan at a rally in Huntsville...

Continuing political turmoil and news coverage of the Trump Administration haven't stopped the president's agency heads from drastically reshaping policies on energy, the environment, and emissions. Comments are now being taken on the reopened EPA limits on vehicular carbon emissions for 2022...