<http://schema.org/description>
"By 2025, it&amp;#039;s quite possible that the average passenger automobile will be capable of getting more than 50 miles per gallon (21.3 kilometers per liter) \u2014 if it runs on conventional fuel at all."^^<http://www.w3.org/2001/XMLSchema#string>
<http://auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/5-innovations-lighter-smarter-auto-parts.htm>