Join Date: Apr 2012
Location: 9000 ft. ASL in Southwest Colorado, USA
Thanked 3,647 Times in 1,941 Posts
Back in the 1990's MTBE was in use many parts of the Rocky Mountain West. I lived in Minnesota at the time and I recall making snowmobiling trips out to Colorado in late winter/early spring, and noticing the exhaust from vehicles had a peculiar, rather noxious smell. It was very noticeable when driving through the Denver area, and I remember thinking at the time that those vehicle emissions can't be good.
I must have a fairly sensitive sense of smell when it comes to fuel... I can discern the difference between an engine burning an E10 blend, and one that is running on 100% gasoline.
Former Factory Test Rider/Technician
Last edited by MotoMike; 10-24-2017 at 07:35 PM.