Why Are Oil Prices So High and Will They Stay That Way?
Geopolitical tensions and a growing disparity between supply and demand have driven up prices. Here is what that means and what could happen next.
Behind Manchin’s Opposition, a Long History of Fighting Climate Measures
Senator Joe Manchin III noted climate policy when he said he would vote against the Build Back Better Act. In his life and career, West Virginia coal has loomed large.
Coal Is Set to Roar Back, and So Are Its Climate Risks
To slow down climate change, new coal projects need to end. A global forecast this week shows demand rising sharply.
EU engine-tech project could help gas catch up with gasoline
Some biofuels, like biogas from landfills—or synthetic methane—are attractive for use in vehicles as they have a potentially low energy cost to produce. They also have lower criteria emissions, of the sort that affect human health and cause smog. These engines should easily be cross-compatible with those using compressed natural gas... What topic should we have covered less in 2017? Twitter poll results
Over the nine years this site has published daily news about green cars, the focus of our coverage has shifted significantly. In February 2009, when we started daily coverage, our most popular topics were hybrid cars and the Toyota Prius. With Prius sales in 2017 less than half what they were just four years ago, the times have clearly changed... 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 needs—with fuel economy or energy efficiency somewhere in that list of needs, whether higher or lower. Certainly the definition of "green car" has evolved since this site began... 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 fueled by cheap, abundant U.S. natural gas is now essentially over, with a mere 942 public natural-gas fueling stations throughout the 50 states. E85 ethanol, the biofuel that's... 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 swapping in one hydrocarbon fuel for another may have passed its time. Admittedly biodiesel continues to make quiet inroads for diesel commercial vehicles. DON'T MISS: When... 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 ends, and you can no longer fill up your car? That's just what happened to Duncan Chalmers of Seattle, who can no longer conveniently get natural gas to fill up his 2008... Audi A5 Sportback g-tron: first drive of natural-gas luxury sport sedan
![2017 Audi A5 Sportback g-tron (European model), driven, Aug 2017 [photo: Ronan Glon]](http://images.hgmsites.net/tmb/2017-audi-a5-sportback-g-tron-european-model-driven-aug-2017-photo-ronan-glon_100618902_t.gif)
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 are intended to be Tesla killers, as they’re often called in Germany. But there’s another kind of tron with a “made in Germany” label as well, and...