Fuel Efficiency

 
Deadline for comments on EPA fuel-economy rollback is Tuesday

Deadline for comments on EPA fuel-economy rollback is Tuesday

Readers who want to make their voices heard in objection to (or support of) the EPA proposal to freeze fuel economy standards have until tomorrow to get their comments in. The EPA proposed in early August to undo Obama-era rules requiring cars to reach increasingly stringent fuel-economy targets... read more

October 22, 2018 by -
 
Teaser for Infiniti Prototype 10 concept debuting on August 23, 2018

Chevy Bolt EV road trip, GM patents, charger disruptions, resources report: Today's Car News

GM files patents for three new active aerodynamic aids. A reader's family finds enough charging outlets to make a 2,000-mile road trip in a Chevy Bolt EV. Our readers report... read more August 15, 2018 by


 
Patent for Active Side Skirts filed by General Motors

GM files patents for new active aerodynamic aids

General Motors filed patent applications in June for three types of active aerodynamic systems that could make cars more efficient and potentially even give electric cars... read more August 15, 2018 by


 
2018 Kia Niro Plug-In Hybrid, Six Flags Magic Mountain, California, Dec 2017

The 7 best plug-in cars for students going back to school

Today's environmentally conscious students are thinking more about the environment in the choices they make. They still need to get around, but they may be less likely to... read more August 7, 2018 by


 
ExxonMobil oil refinery, Baton Rouge, Louisiana, by WClarke [CC BY-SA 4.0]

Analysis: Is shale oil a cost effective switch or just a dent in our wallets?

Shale oil's prevalence in the American oil market may present a large obstacle for rising fuel economy standards. Shale oil creates gasoline with a lower octane rating than... read more July 30, 2018 by


 
Scoot Quad (nee Renault Twizy) tested in San Francisco, Oct 2015

Even Wackier! Most bizarre green cars ever proposed, Part II

Last week we listed seven of the most bizarre "green" cars (and some not-so-green) of the 20th century, most of which were rolled out in response to depression, war recovery... read more June 3, 2018 by


 
2019 Chevrolet Silverado 1500

2019 Chevy Silverado will offer new turbo-4 that can run on 2 cylinders

Chevrolet announced last week that its upcoming 2019 Silverado full-size pickup will offer a new turbo-4 in place of the base V-6 in some models. Like the V-8s in some of... read more May 22, 2018 by


 
Shell Airflow Starship fuel economy record truck

Shell Airflow Starship semi truck leaves San Diego on record fuel-economy run

Truck driver Bob Sliwa hit the road on Thursday night in his carbon-fiber-bodied, diesel-powered semi truck, as he attempts to set a fuel economy record for big rigs by the... read more May 18, 2018 by


 
EPA administrator Scott Pruitt [photo from 2014]

CFA study shows better gas mileage standards offset cost of modern safety tech

Cars that get good gas mileage aren't unsafe. In fact, gas savings have more than paid for safety improvements in modern cars, as well as for the technology needed to make... read more May 10, 2018 by


 
2018 Jeep Wrangler Rubicon

EPA rates 2018 Jeep Wrangler turbo-4 gas mileage; plug-in, diesel to come later

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... read more May 10, 2018 by


 
Brown 2011 Volkswagen TDI Sportwagen listed for sale after emissions repairs

2011 Volkswagen Jetta TDI SportWagen driven: Fixed, but does it matter?

The gentle rumble under the brown station wagon’s hood brings back memories of not too long ago as I sneak its 6-speed manual through the gears. So, too, the way it... read more May 7, 2018 by


 
Subaru BR-Z production in Japan

Subaru admits cheating on fuel-economy and emissions tests

Subaru released a statement confirming that workers in two of its Japanese factories falsified numbers on fuel economy and emissions tests. The factories build the Impreza... read more May 1, 2018 by


 
Shell Airflow Starship fuel economy record truck

Shell Airflow Starship semi truck aims for fuel-economy record

Trucks use an awful lot more fuel than cars. Consequently, the fuel you can save from making small improvements can be massive. That’s what Bob Sliwa aims to do when he... read more April 30, 2018 by


 
Smog over Los Angeles, courtesy Flickr user steven-buss

Draft EPA memo freezes fuel economy standards at 42 mpg through 2026

After announcing its intention last month to roll back emissions standards that require cars to get higher fuel economy, the EPA is now circulating a proposal in Washington... read more April 30, 2018 by


 
President Donald Trump (Photo courtesy Gage Skidmore/Wikimedia Commons)

Trump loses court battle to roll back automaker gas mileage fines

Automakers may complain about rising gas mileage standards, but as several have proved over the years, they don't always have to meet them. Another strategy, employed... read more April 24, 2018 by


 
2019 Jeep Cherokee Overland, Hudson Valley, NY, Mar 2018

2019 Jeep Cherokee gas mileage review

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... read more April 16, 2018 by


 

 
 

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