U.S. Transportation in perspective : overview and key policy issues under consideration.

This article presents the 3 transportation policy issues which are receiving particular attention in the United States. These are ambient air quality, fuel economy and alternative fuels. Federal standards for exhaust emissions have been in effect for nearly 2 decades. Fuel efficiency of 32 mpg is believed to be achievable in 1995. Alternative transportation fuels are being examined and a variety of options for producing a national system in which vehicles designed for optimum gasoline use also have a stand- by alternative fuel operating system.