Synthetic fuel is becoming a hot topic to keep combustion alive, and Synhelion fuel wants to prove how viable it is, making carbon-neutral gasoline with power from the sun. Jimmy Kimmel’s late night ...

Recently, an Audi made a trip up the Furka Pass in Switzerland. Nothing hugely exceptional there, except for the fact that it ran on “Solar gasoline,” a phrase that reads like “gluten-free Wheaties” ...