Why doesn't the government impose a tax on foreign car purchases?

Over the last decade, with people buying Japanese and Korean cars like crazy, while the Big Three have been suffering, I think the US government should impose a tax on new foreign vehicle purchases. People give BS excuses like foreign cars have better value, resale value, better warranties, etc. that they wouldn't otherwise get with an American car. The tax should be significant enough so that a person wouldn't save any money or gain anything by buying a foreign car, and then they will buy our cars like they have in the past. On top of the federal new-car tax on foreign vehicles, states should impose another fee payable at registration or renewal of license plate tabs, applicable no matter how old the foreign car is. The taxes should be distributed, in part, to all US auto workers who have been affected in any way by the slowing of American car sales.