Re: BioDiesel... a real alternative?
My preference would be a plug-in series hybrid biodiesel or straight vegetable oil car. That basically covers everything from shorter trips with clean grid power to long journeys with the biodiesel genset running at fixed peak efficiency RPM to charge the battery and run the car. It would be expensive, no doubt... but more "worth it" than paying so much more for so much more fuel consumption on something like an H2. The more HV batteries out there the cheaper and more reliable they will become due to the influx of R&D funds. The government could encourage such development by granting the same kind of huge tax break that the H2 got (some $15k) without the added costs of securing more foreign oil.
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