Fuel Efficiency

The new 2018 Wrangler is a big deal for Jeep, and in its redesign the company didn't leave its fuel economy stuck in the mud. In addition to the fuel-swilling V-6, the new Wrangler will be available with a more efficient turbocharged 4-cylinder engine, and the EPA has just revealed exactly how...

The brown diesel wagon I’m driving spent last winter confined to a dusty parking lot south of Colorado Springs. Thousands of other TDIs, ranging from Beetles to luxurious Audi Q7 crossovers, remain captive in massive holding facilities across the U.S. Some are finally heading home, to used car...

Japan began investigating the company last year for falsifying fuel-economy and emissions reports at its two factories in the country, and Subaru has now confirmed that final testing data was manipulated on more than 900 cars going back to 2002.

Bob Sliwa aims to set a new semi-truck fuel-economy record when he leaves San Diego, Calif., on May 17 in his Shell Airflow Starship truck. Hauling his full-sized trailer fully loaded to the truck's 80,000 pounds capacity, he aims to set the fuel economy record for a loaded Class 8 truck in a...

Rather than continue to ratchet standards up to 54.5 mpg by 2025, as the current law requires, the new proposal would stall out fuel economy increases at just short of 42 mpg in 2020, and hold them there through 2026.

While plug-in electric cars are steadily growing in sales, they still pale in comparison to the hundreds of thousands of compact crossover utility vehicles sold each year by virtually every major carmaker. In 2017, Toyota's most popular vehicle became the RAV4 small SUV, supplanting the Camry...

As promised, the Trump administration has embarked on regulatory rollbacks across many fronts, some immediate and others taking longer. It remains unclear whether the EPA's plan to loosen carbon-dioxide emission limits for 2022 through 2025 vehicles will survive inevitable court challenges...

These are not good times for the makers or owners of diesel cars, particularly in their European stronghold, where on average half of all new vehicles had been sold with diesel engines. Strict new real-world emission tests have proven hard to meet, consumers are starting to shy away from buying new...

Two years ago this month, Fiat Chrysler Automobiles essentially threw in the towel on the "automobiles" part of its name. Canceling the compact Dodge Dart and the mid-size Chrysler 200 sedans, the company doubled down on the pickup trucks and utility vehicles that had long been its profit centers...

Journalism as an industry is under great pressure these days. There are far more people writing "content" than in past decades, and in general they are having to produce more of it for less money than they did 10, 20, or 50 years ago. That's no excuse, however, for getting the basics wrong. DON'T...

While the name of EPA administrator Scott Pruitt is often preceded by "embattled" these days, his agency is now on record as rejecting its own recommendation of just 16 months ago. It concluded in July 2016 that the auto industry had handily met lower carbon-emission limits from 2012 through...

The automakers claimed that the standards were unrealistic given that consumers are flocking to crossovers and pickup trucks as gas prices remain low. According to a new report by the American Council for an Energy Efficient economy, and to our own analysis, trucks aren't the reason.

It's the mystery model, the all-but-legendary vehicle still just beyond reach, years after its maker first announced plans to offer diesel engines. Specifically, it's the diesel version of the Mazda CX-5 compact crossover utility vehicle, first revealed in 2016 and later announced as a 2018 model...

Along with the 250-mile 2019 Kona Electric hatchback it launched Wednesday at the New York Auto Show, Hyundai unveiled an entirely redesigned version of a much higher-volume vehicle. That's the 2019 Hyundai Santa Fe mid-size crossover utility vehicle, which gains size, features, and considerably...

As the auto industry and environmental groups count down the days until the NHTSA releases proposals to revise fuel-economy standards, surveys show one industry wants the standards to stay just as they are. That is the auto-parts supply industry, according to a study released Thursday morning by...

Well, that's awkward. At its annual media briefing on Wednesday, Volkswagen Group executives said the costs of meeting new emission tests in the EU, lowering carbon emissions globally, and launching multiple new electric models would eat into the company's profits. With the company's diesels in...

While plug-in electric cars get lots of media attention, they remained just 1 percent of U.S. vehicle sales last year. And while the Trump Administration appears dead-set on rolling back emission limits and fuel-economy requirements established years ago, that effort will undoubtedly face lengthy...

Not a lot has changed since last month: Buyers continue to move from passenger sedans to crossovers and trucks, and gasoline remains relatively cheap. That means you can pick up some bargains fuel-efficient and electrified vehicles. DON'T MISS: Lexus lowers hybrid prices a lot to cut premium over...

Cars with plugs may be the cleaner and greener future, but at the moment, they make up only about 1 percent of global sales approaching 100 million vehicles a year. That means that automakers continue to work ceaselessly on more efficient gasoline engines and lighter vehicles to put them in. Last...

Gas is cheap in the U.S. and has been for years. Hybrids are no longer a cutting-edge or cool technology; they're just another powertrain. The result is that hybrids have been quietly ebbing as a proportion of total vehicle sales. DON'T MISS: 2018 Lexus RX 450hL hybrid three-row SUV priced from...