"White House slams carpooling, new road fees better"
< href="http://www.reuters.com/article/domesticNews/idUSN1229128020070212">Surprise, surprise. They hate trade barriers, and lessening the use of oil would be a barrier to trade with oil-producing countries.
"WASHINGTON (Reuters) - Carpooling won't do much to reduce U.S. highway congestion in urban areas, and a better solution would be to build new highways and charge drivers fees to use them, the White House said on Monday."