View Single Post
Old 08-29-2014, 02:32 AM   #17 (permalink)
cRiPpLe_rOoStEr
It's all about Diesel
 
cRiPpLe_rOoStEr's Avatar
 
Join Date: Oct 2012
Location: Porto Alegre, Rio Grande do Sul, Brazil
Posts: 12,571
Thanks: 0
Thanked 1,627 Times in 1,452 Posts
Quote:
Originally Posted by Big Dave View Post
CNG's octane rating is so astronomical that even a 21:1 compression ration diesel will not compression ignite it. Natural gas is the one hydrocarbon I can think of that defeats a diesel. "Dual-fuel" engines use a little shot of diesel to compression-ignite and blow-torch the natural gas into combustion.
I'm a die-hard dieselhead, but I actually consider CNG as a reasonable alternative combined with Diesel due to its cleaner burn.
  Reply With Quote