Fuel Efficiency
2019 Mazda 3 sedan and hatch aim for an X factor–and that’s not electric
Mazda has revealed its 2019 Mazda 3 compact car, in new-generation form, at the 2018 LA Auto Show. It’s not surprising, given the brand’s go-it-alone strategy this decade, that the new ‘3’ appears to take a different path than key global compact-car rivals in nearly every... read more
Honda joins GM, others in heated opposition to Trump's EPA fuel-economy freeze
Honda joined General Motors on Friday and called on the EPA to abandon its proposed fuel-economy rollback, asking federal officials to negotiate with states like California... read more October 29, 2018 by Aaron Cole
Volkswagen XL1 eco halo already a sound investment?
It’s been less than five years since Volkswagen produced its limited run of just 250 XL1 plug-in diesel hybrid coupes, of which only 200 were sold to retail buyers. The... read more October 28, 2018 by Bengt Halvorson
GM wants Trump administration to consider national electric-vehicle mandate
The term “hail Mary” might be appropriate for what General Motors, led by chief executive officer Mary Barra, is attempting at this stage of the federal... read more October 26, 2018 by Bengt Halvorson
Tesla Model 3 range-efficiency edge is a serious market strength
Although Tesla may still sometimes be finding its way in terms of how to build cars themselves, it retains a distinct advantage over pretty much every other automaker in one... read more October 25, 2018 by Bengt Halvorson
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... read more October 22, 2018 by Eric C. Evarts
Commentary: How to make your voice heard on fuel economy freeze
Drivers are not helpless in the face of government plans to roll back fuel economy standards. A joint August proposal from the EPA and NHTSA to freeze planned increases in... read more September 4, 2018 by Eric C. Evarts
Americans still want better fuel economy, survey says
Just as the Trump administration moves to roll back fuel economy standards, a new survey shows that Americans are dissatisfied with the fuel economy their cars already get... read more August 30, 2018 by Eric C. Evarts
Best deals on green cars, Tesla scrutiny, Swiss stop diesels, EPA pushback: Today's Car News
The SEC issues subpoenas to Tesla over CEO Elon Musk's plan to take the company private. Switzerland halts registrations of some diesels from Mercedes-Benz and Porsche. New... read more August 16, 2018 by Eric C. Evarts
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 Eric C. Evarts
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 Eric C. Evarts
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 Eric C. Evarts
![ExxonMobil oil refinery, Baton Rouge, Louisiana, by WClarke [CC BY-SA 4.0]](https://static.hgmsites.net/images/cache/exxonmobil-oil-refinery-baton-rouge-louisiana-by-wclarke-cc-by-sa-4-0_100641388_151x113.jpg "Analysis: Is shale oil a cost effective switch or just a dent in our wallets?")
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 Internet Brands
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 Eric C. Evarts
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 Eric C. Evarts
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 Eric C. Evarts
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