Models and tools can be used to measure and compare costs and benefits resulting from transportation activities and control measures, the application of new vehicle technologies, or using new transportation fuels. (transportation.gov)
Then a viewer question regarding new vehicle technologies, for both convenience and safety. (motorweek.org)
An early priority, he said, should be improving the efficiency and cleanliness of engines by switching to alternative fuels, adding particle traps and adopting new vehicles technologies. (treehugger.com)