By Keith Laing - 11/07/11 06:23 PM EST
But Mineta said Monday that lawmakers have been receptive to his "technology-neutral" approach.
"They're not aware of what's happening, but when you talk about a level playing field and technology neutrality, they're very much impressed," he said of his meetings with his former colleagues in Congress.
Mineta said current Transportation Secretary Ray LaHood has also been open to the proposal. But LaHood is working under the same constraints Mineta is trying to change, he said.
"In my conversations with Secretary LaHood, he tells me [the General Services Administration] tells me I've got to buy hybrid or electric," Mineta said.
The full report is available here.