She added, "I think we need to be a bit sober about that, and part of the monitoring I want to see is to make sure we're not ahead of ourselves about what's going to be available in the near term. I don't know if we're going to see the rapid ramp-up of good advanced biofuels that we believe is what should happen as a result of this rule."
But board member Dan Sperling, who heads the Institute of Transportation Studies at the University of California, Davis, defended the rule. "This, in my mind, is an example of government at its best, doing policy that's good and responsive and responsible," he said. "All of the arguments are really the details about how to get those numbers right. If there's problems, there's a mechanism for making adjustments along the way."
Reprinted from Greenwire with permission from Environment & Energy Publishing, LLC. www.eenews.net, 202-628-6500