<http://schema.org/description>
"As diesel engine makers scramble to figure out the least expensive ways to meet upcoming Tier 2 emissions regulations, International Truck and Engine Corp. has hit on a novel approach: use the technology developed by the regulators themselves."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.autofieldguide.com/articles/cleaner-diesel(2)>