"The big issue in refining right now is making gasoline more palatable," he said.

At high pressure, these materials could form molecules suitable for making gasoline or diesel.

However, making gasoline from CO2 and water is extremely difficult although with enough energy it's theoretically possible.

But the people who make cars and gasoline say the California rules are not the answer.

Last winter's late cold spell kept refineries producing heating oil into the season when they usually would have been making more gasoline.

The various refinery streams blended to make gasoline have different characteristics.

Oil, which is used to make gasoline, costs a lot of money because the many people who need it are willing to pay.

His company was the first to make gasoline and was involved in the production of asphalt.

Domestic consumption of oil, including that used to make gasoline, is more than 20 million barrels a day.

South Africa, in response to international sanctions, also makes gasoline from coal, at costs that are secret but believed to be high.