Is GM un-American?

"The president also announced that he had directed federal agencies to encourage employees to monitor their gasoline consumption through carpooling and limiting non-essential travel. He said he hoped that the American public would follow the federal government's lead when it comes to conservation." (More)

If the President is asking Americans to conserve, but GM is staking its future on its largest, most gas-guzzling vehicles, how is GM doing its share? While GM is an extremely important American employer, aren't their business activities un-American?