Fuel Efficiency

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...

Last Tuesday, EPA administrator Scott Pruitt said the agency does not intend to let California set the agenda for national emission limits on vehicles. He suggested to Bloomberg the EPA plans to cut emission rules aggressively to respond to carmakers' pleas for easing of the corporate average fuel...

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...

Early in 2014, Toyota filed a voluntary recall notice with the NHTSA to fix a defect in roughly 800,000 third-generation Prius Liftback hybrids sold in the U.S. from 2010 through 2014. The company said it would make unspecified changes to software that controlled the vehicle's inverter, which...

Electric cars may be all the rage, but for now, all but a tiny fraction of the 250 million vehicles on U.S. roads burn gasoline or diesel fuel. One of the ways that new vehicles are boosting fuel efficiency is the use of what are called "start-stop" systems, which switch off the engine while the...

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...

The Toyota Prius hybrid has been its maker's "halo car" and an example of its most advanced technology for two decades. Launched from an early-1990s project to halve the fuel consumption of a small car, its hybrid-electric powertrain pioneered mass electrification of passenger cars. But the sales...

With gasoline cheap and buyers continuing to shun passenger cars for crossovers and trucks, there are bargains to be had in fuel-efficient and electrified vehicles. This month's deals, courtesy of CarsDirect, includes cheap leases, low financing rates, and money off sticker prices. They cover a...

The Mercedes-Benz CLA compact sedan made a big splash when it first arrived as a 2014 model, complete with a much-discussed Super Bowl ad spot the previous year. The small, coupe-like sedan was built on the underpinnings of the smallest Mercedes on the market, the A-Class sold in Europe since the...

Nearly a year ago, we published a gas-mileage review on the Hyundai Ioniq Hybrid, the South Korean brand's Toyota Prius challenger. We saw 49.5 miles per gallon over 565 miles of driving. Now, we've tested the Ioniq Hybrid in more extreme conditions, on the cold, wintry roads of Detroit, Michigan...

If the U.S. is serious about reducing carbon emissions from road vehicles—under the current administration, the jury remains out—pickup trucks are key. More than half of the reduction in fuel consumption in pickup trucks projected under corporate average fuel economy rules comes from...

In a recent video posted to YouTube, environmental advocacy group The Sierra Club dialed up production values to call out Ford's lobbying efforts to roll back fuel-economy standards. The video showed a man getting into a modern-day Ford, starting the engine, then noting the shift lever had an array...

The production values are high and the message is clear in a video released Tuesday by The Sierra Club. The environmental advocacy group 's goal is simple: highlight the contrast between Ford Motor Company's claims of sustainability goals and its behind-the-scenes efforts to roll back U.S...