Volvo’s next plug-in hybrids: 3-cylinder engine, smaller cars

Volvo 40.1 conceptVolvo currently offers plug-in hybrid powertrains in its top models—the XC90 SUV, S90 sedan, and V90. As the Swedish automaker redesigns its lower-level models, it will add plug-in hybrid options to them as well. But whereas the current T8 "Twin Engine" powertrain uses a 4-cylinder engine and all-wheel drive, other models will use a...

2017 Lexus RX 450h hybrid gas mileage review

2017 Lexus RX 450h, Catskill Mountains, NY, Feb 2017The Lexus RX pretty much invented the luxury mid-size SUV category, and it remains a substantial part of the brand's sales in the U.S. 20 years later. It was also the brand's first hybrid crossover, sharing underpinnings with its larger and less-pricey Toyota Highlander Hybrid sibling. The RX was recently redesigned, and we've now had a chance to...

Battery legend Goodenough not done yet: new solid-state chemistry introduced

John Goodenough, co-inventor of the lithium-ion batteryLithium-ion battery-cell chemistry is currently dominant in electric cars, not to mention consumer electronics and other fields. But what seems to be an army of researchers thinks it can be improved. That includes one of the people who helped create lithium-ion batteries in the first place. CHECK OUT: Tesla granted patent on metal-air battery...

2017 Geneva auto show: green car preview

Teaser for Techrules GT96 debuting at 2017 Geneva auto showThe 2017 Geneva Motor Show marks the next stop on the annual auto-show circuit. With press days beginning March 7, we aren't expecting an overwhelming number of green cars at the Swiss show this year. A smattering of production and concept cars with some green elements will debut there, though. DON'T MISS: 2018 Lexus LS 500h hybrid luxury sedan to...

Have Tesla Model S and Model X electric-car sales plateaued?

Tesla Model 3 teaser image with Model S and Model X, March 2016Is there no middle ground in discussing electric-car maker Tesla Motors? The challenge of reading large volumes of Tesla coverage is that it tends to be either rabidly positive or sharply negative. And the company's stock is so obsessively analyzed both by supporters and detractors that sober analysis is often hard to come by. DON'T MISS: Tesla...

Photos reveal how polluted the U.S. was before EPA was founded

Smog obscures George Washington Bridge, 1973 [From EPA Documerica series]It can be argued that the current presidential administration appears to lack interest in the traditional mission of the Environmental Protection Agency. As a candidate, Donald Trump advocated wholesale repeal of environmental regulations and increased production of fossil fuels. He has also called climate science a "hoax" created by China to hurt...