Alt Fuels
Trump expected to lift E15 ban limiting ethanol in summer gasoline
President Donald Trump is expected Tuesday to direct the EPA to lift the seasonal ban on higher-ethanol E15 blends of pump gasoline linked to summer smog issues. The move has been anticipated for months. This timing for it, according to Reuters, is aimed at helping Republican candidates in... read more
What topic should we have covered less in 2017? Take our Twitter poll
No single definition exists for the idea of "green car," and very few shoppers set out to go buy a green car. Instead, car buyers look for vehicles that meet their... read more December 27, 2017 by John Voelcker
Which alternative fuels will survive long-term? Twitter poll results
Building a fueling network turns out to be more of a challenge than many advocates, regulators, and drivers may have anticipated. The attempt to boost passenger vehicles... read more December 14, 2017 by John Voelcker
Renewable-fuel mandate ruling leaves no one happy: the best compromise?
As they say, the best compromise is usually the one that leaves all parties equally dissatisfied. When it comes to the Environmental Protection Agency's renewable-fuel... read more December 13, 2017 by Mark Stevenson
Which alternative fuels will survive long-term? Take our Twitter poll
You just don't hear the phrase "alternative fuels" as much as you did, say, 10 years ago. With a couple of million plug-in electric cars now on the world's roads, the idea of... read more December 5, 2017 by John Voelcker
When fueling stations shut down for your natural-gas car: one reader's experience
Let's say you buy the greenest car you can, one that uses a different kind of fuel, and drive it happily for several years. What happens when the supply of your fuel suddenly... read more December 4, 2017 by John Voelcker
Are electric airplanes actually a real thing?
With electrification spreading through many types of transport, one vehicle still remains largely absent in using electrons for propulsion: aircraft. Automakers have been... read more November 28, 2017 by Mark Stevenson
Tesla builds world's largest lithium-ion battery, for utility use, in Australia
Tesla CEO Elon Musk made a bet that he'd build the world's largest lithium-ion battery in Australia in 100 days. If his company failed, Musk would personally pay for the... read more November 24, 2017 by Sean Szymkowski
A Tesla Model S that runs on hydrogen fuel cells? Dutch firm claims it built one
Tesla has never built anything but battery-electric cars. Now a Dutch gasoline company believes it's improved upon the Silicon Valley automaker's design with a hydrogen fuel... read more November 10, 2017 by Sean Szymkowski
Stella Vie 'family sedan' wins long-distance solar car race
Earlier this month, the 30th World Solar Challenge kicked off in Darwin, Australia, with 42 competitors vying for victory. At the end of the 3,022-kilometer (1,880-mile) race... read more October 29, 2017 by Sean Szymkowski
Proposed ethanol cuts bring EPA up against Iowa's powerful politician
Following years of debate, the EPA said earlier this month it will study the possibilities of cutting the amount of ethanol in the United States' gasoline supply. Since 2007... read more October 19, 2017 by Sean Szymkowski
Solar-powered car race kicks off 30 years of World Solar Challenge
Although a car powered solely by solar power is far from reality, the 30th anniversary of the World Solar Challenge showcased just how far the technology has come. World... read more October 9, 2017 by Sean Szymkowski
EPA to study cutting amount of ethanol in U.S. gasoline
Since 2007, the Renewable Fuel Standard has required increasing levels of ethanol in gasoline blends sold in the U.S. Most fuel stations across the United States no longer... read more October 5, 2017 by Sean Szymkowski
![2017 Audi A5 Sportback g-tron (European model), driven, Aug 2017 [photo: Ronan Glon]](https://static.hgmsites.net/images/cache/2017-audi-a5-sportback-g-tron-european-model-driven-aug-2017-photo-ronan-glon_100618902_151x113.jpg "Audi A5 Sportback g-tron: first drive of natural-gas luxury sport sedan")
Audi A5 Sportback g-tron: first drive of natural-gas luxury sport sedan
Audi’s vision of future mobility primarily centers around an array of long-range electric cars scheduled to debut in the coming years under the "e-tron" badge. These... read more August 25, 2017 by Internet Brands
California's solar energy grid survived the eclipse without incident
Solar power provides 10 percent of California's energy supply, which meant electric-grid operators had to be prepared for potentially disastrous effects during Monday's solar... read more August 23, 2017 by Sean Szymkowski
RIP natural-gas cars, doomed by cheap gas and electric cars
Natural gas vehicles were first promoted starting in about 2000 as a way to reduce reliance on imported oil and cut tailpipe emissions. Their promise appeared to grow near... read more August 17, 2017 by Sean Szymkowski
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