G.M. and the Electric-Car Comeback
The end of the gasoline-powered car will transform the economy.
Tesla Might Finally Have Some Competition. From Ford.
Traditional automakers have struggled to sell electric cars. That could change as Ford, Volkswagen and others introduce new models.
Oil Refineries See Profit in Turning Kitchen Grease Into Diesel
Struggling energy companies are increasing the production of renewable diesel, which can reduce greenhouse gas emissions.
California Is Trying to Jump-Start the Hydrogen Economy
The fuel could play an important role in fighting climate change, but it has been slow to gain traction because of high costs.