Cleaner Cleaning Light Yukon 
Clean Fleet Report
MAY 22, 2021
A new technology may take the already quite clean (especially compared with engines of just a little more than a decade ago) engines to a level that reduces smog-producing emissions while increasing fuel economy and yet not losing any performance. A workhorse diesel gets cleaner and more efficient.
Green Car Congress
JUNE 4, 2009
a leading manufacturer of engine components that converts vehicles to operate on cleaner gaseous fuels, such as propane. Propane is a clean burning fuel that can yield 87% less hydrocarbons and 50% fewer toxins than gasoline, and is more economical compared to petroleum-based options, roughly $1.50 GMC Yukon and Sierra.
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