Most people are really stunned to find out that the technology has been around for more than 100 years, and that the diesel engine was in fact invented to run on vegetable oil. – Daryl Hannah
We need a number of solutions – we need more efficiency and conservation. Efficiency is a big one. I think car companies need to do a lot better in producing more efficient cars. They have the technology, we just need to demand them as consumers. – Daryl Hannah