Fuel Efficiency

The Car Connection's Greenest Cars of 2019
The Car Connection's Greenest Cars of 2019

Fuel efficiency is so last century. This year, we learned that energy efficiency is the new fuel efficiency, and not all electric cars are equal—even if they’re all zero emissions vehicles. Credit for that falls squarely on the Jaguar I-Pace’s broad shoulders because, although...Read More»

Exhaust emissions from tailpipe [photo: Simone Ramella, 2005, used under Creative Commons 2.0]
California sues EPA over Trump's emissions rollback

The battle between California and the federal government escalated last week. The state filed a lawsuit against the NHTSA and the EPA over the Trump administration's proposal to freeze fuel efficiency and emissions regulations at 2020 levels. The proposal would also end California's ability to set...Read More»

2018 Chevrolet Volt
The 10 (best and) greenest cars of 2018

Gas prices might be low, but that's not an excuse for skipping over a green car in favor of a guzzler. Electrification has forced us to rethink just what it means to be eco-friendly. Today's frugal machines may be powered by gas engines that can turn themselves off automatically, they may have an...Read More»

EPA administrator Scott Pruitt  [photo from 2014]
What if the EPA dialed back emissions rules, but only on trucks?

Back in March, Donald Trump authorized a review of current U.S. emissions regulations. Those regulations cover vehicles through the 2025 model year and were hastily finalized by the Environmental Protection Agency in the days leading up to Trump's inauguration. The review alarmed environmental...Read More»

President Donald Trump (Photo courtesy Gage Skidmore/Wikimedia Commons)
Automakers push for brokered fuel-economy deal

Editor's note: An earlier version of this story misstated a position by the Alliance of Automobile Manufacturers, which is a lobbyist for automakers. The AAM supports increased fuel economy regulations, but added that the changes should be agreed upon after a mid-term review of the regulations...Read More»

From Supplying Ingenuity II: U.S. Suppliers of Key Clean, Fuel-Efficient Vehicle Technologies
Report: 288,000 U.S. jobs could be affected if EPA efficiency rules change

In March, U.S. president Donald Trump authorized a review of a controversial decision made by the Environmental Protection Agency during the final days of the Obama administration. The decision tightened emissions regulations for U.S. automobiles through model year 2025. Environmental groups have...Read More»

On-Road Fuel Economy of Vehicles in the United States: 1923-2015 (Sivak and Schoettle)
Average fuel economy still terrible after 92 years

The past century has brought an onslaught of innovation. Don't believe it? Try to imagine modern life without television, the internet, microwaves, or social media. But despite those and other technological advances, one thing hasn't changed too much: the distance that cars can travel on one gallon...Read More»

Exhaust tips
18 car companies petition Trump team to review EPA's efficiency rules

Just before Donald Trump was sworn into office, the Environmental Protection Agency did something a little unusual. It finalized emissions rules for U.S. vehicles through the 2025 model-year, and it did so much faster than expected. Now, 18 car companies are asking Trump and his team to review and...Read More»

Gina McCarthy, nominee for Environmental Protection Agency administrator
EPA sticks to its guns, keeps 2025 emissions goals

No doubt about it: 2016 has been the Year of WTF. The latest proof comes in the form of an announcement from the Environmental Protection Agency that it plans to maintain its current auto emissions goals for 2025. That wasn't what most observers expected. Then again, there may be more to this than...Read More»

Kenworth big rig (photo by Raymond Clarke Images via Flickr)
New federal big-rig standards promise to cut emissions by 25%, save owners $170 billion

There's been plenty of talk about the Environmental Protection Agency and its ambitious fuel economy goals for 2025. But those standards only apply to light-duty passenger cars, trucks, and SUVs: what about tractor trailers and other heavy-duty vehicles, which use billions of gallons of gasoline...Read More»

Gas Gauge
Study: Nearly 4 out of 5 American support higher fuel economy rules

For the past month or so, the Environmental Protection Agency has been making headlines over its proposal to lower the fuel economy standards it had set for 2025. The EPA won't sign off on any changes to its plan until 2018, though, and in the meantime, at least one group is pushing it to...Read More»

Mitsubishi logo
Mitsubishi: Fuel economy fibs blamed on company-wide problems

Mitsubishi has been in the headlines for the past several months due to decades of falsified fuel economy stats. The automaker recently funded an investigation to uncover the root of the problem, and it appears that the problem is the company itself. All of it. No stranger to scandals, Mitsubishi's...Read More»

Fuel gauge
EPA lowers 54.5 mpg goal: technology is there, but shoppers aren't interested

If you're a fan of eco-friendly cars, we have good news, bad news, and good news. The good news is, a new report says that automakers already have the technology they need to achieve the Environmental Protection Agency's bold fuel economy goals for 2025. Issued in 2011, those goals aim for...Read More»

2016 Mercedes-Benz G-Class
Our renewed love for SUVs is all part of OPEC's cheap oil strategy

If you're like most car-owners, you're of two minds when it comes to gasoline. Obviously, part of you is happy about today's low fuel costs. However, another part of you--perhaps the pessimistic part--wonders why gas is so cheap these days. Consciously or subconsciously, you're waiting for the...Read More»

gas pump
Automakers want to dial down EPA's 2025 goals, but energy advocates & consumers push back

In 2011, the Environmental Protection Agency unveiled bold, new fuel economy standards for the year 2025. With less than a decade to go before that deadline, automakers are now asking the EPA to lower the high bar it's set, but energy advocates and the general public have urged the agency to stay...Read More»

2016 GMC Acadia
GM offering gift cards to make up for MPG errors, but do the problems run deeper?

Two weeks ago, General Motors ordered dealers to stop selling the 2016 Buick Enclave, Chevrolet Traverse, and GMC Acadia until it could replace EPA stickers that overstated the SUVs' fuel economy. Last week, reports began to emerge that GM was planning to compensate 170,000 or so consumers who'd...Read More»

Tetsuro Aikawa (YouTube screencap)
Mitsubishi president steps down

In news that's sure to surprise absolutely no one, Mitsubishi's president and COO, Tetsuro Aikawa, has announced his resignation. Accompanying him on his walk of shame is executive vice president Ryugo Nakao. The announcement was made via press release and at a news conference held today in Japan...Read More»

Mitsubishi eK
All Mitsubishi cars in Japan may be affected by fuel economy scandal

Less than a month ago, Mitsubishi admitted to lying about fuel economy stats for roughly 620,000 cars sold in Japan. The scandal affected another major automaker, too, because Mitsubishi produced 482,000 of the affected vehicles for Nissan. But wait, it gets worse: though the issue initially...Read More»

Gas pump
Report: Fuel economy standards for 2025 will save consumers up to $8000

Despite today's low fuel prices, consumers continue to rate fuel economy as one of their top criteria when shopping for a new car. That's likely because they understand that gas prices can change quickly, and more efficient vehicles provide protection against future fluctuations. The folks at the...Read More»

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