"I have running bio-diesel in my 2003 GMC duramax for 5 years, no problems. Just make sure you have a fresh fuel filter when you change over. Bio cleans all the build up out of your fuel system and..." more »
"We recently got an old diesel truck running
that had been sitting for years. There was a stuck injector, causing the truck to smoke, after putting biodiesel in it from azbiodiesel, after only three..." more »