Carbon-dioxide emissions

Natural gas produces only half the carbon-dioxide emissions as coal, but its emissions will grow as it continues to replace coal.

Luxury electric car maker Tesla is expected to report a profit on Wednesday. The profit comes not from the $100,000 cars, but from California Zero Emission Vehicle Credits that amount to thousands of dollars a car when resold to other car makers.

In our Petro-State podcast, we talk to Michael Levi of the Council on Foreign Relations about the potential of natural gas to transition us to a low-carbon future. And we play fracking BS Detector.

President Obama signed a bill this week protecting U.S. airlines from an emission tax when they fly in and out of Europe. The EU's carbon tax is so unpopular, it's been suspended for all carriers for a year.

When you live in Los Angeles like we do, you quickly learn that the reason public transportation isn't a viable option for much of the population...