“We are in a crisis. It is time to face it head-on with all the tools we have. Deployment plans by the National Academies of Science and by various private organizations show the way. The key remaining ingredient is a national will. The good news is that the U.S. can virtually eliminate use of petroleum in our passenger cars by 2050 with the right combination of policies, research and assistance to commercialize a portfolio of vehicle and fuel technologies. Efficiency, biofuels, natural gas, battery electric and fuel cell electric vehicles all will make a contribution,” they said.

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