Cleaner transportation fuels mean cleaner air. Car and trucks are responsible for most of the air pollution and are the largest source of climate changing emissions in the state. As part California’s overall approach to reducing pollution from all vehicles, the California Air Resources Board has established standards for the cleanest gasoline and diesel fuels in the world. California has also put in place innovative programs to drive the development of low-carbon, renewable, and alternative fuels.
Keep up to date with the latest information regarding fuels in California.