Other fuels range from organics such as soybeans to chemicals such as solid oxide alkalines, phosphoric acid, and direct methanol fuel cells. ... If engineers and city planners could design citites to be more centralized and 4 organized to allow for more walking and mass transit, then reliance on cars would decline. ... American designers and engineers would have to design cities in an efficent manner where it would be easier for a person to walk down the cornerstore without driving and not rely so much on cars to get ever...

• Word Count: 1292
• Approx Pages: 5
• Grade Level: High School