That seems to be the application that makes more sense for CNG in trucks.
Natural Gas: A Favorable Fuel Choice for Refuse Operators
By Kasia McBride, Marketing Manager, NGVi
From Waste Management, Republic Services and municipalities to smaller independent operators, there has been a growing trend among refuse companies to transition to natural gas. In fact, waste collection and transfer vehicles are the fastest growing NGV segment, accounting for about 11% of total vehicular natural gas use. According to NGV America, almost 40% of the refuse trucks purchased in 2011 were powered by natural gas.
Waste Management, possessing the largest fleet of garbage trucks in North America, has more than 1,400 CNG-powered trucks in operation now and is acquiring more trucks every month. The company will replace 80% of its... Read More
Curtis Martin
Program Coordinator
Antelope Valley Clean Cities Coalition
Cell # 661-492-5916
That seems to be the application that makes more sense for CNG in trucks.
When they finally put 2+2 together and build engines for refuse trucks that can run on low BTU landfill gas---other then compression they could essentially have free fuel for their fleets. Until that happens, you could still blend some landfill gas into pipeline quality gas and have a suitable fuel for most CNG engines.
Another article about Waste Management, says that WM plans to transition all their garbage trucks to cng.
http://fuelfix.com/blog/2012/05/11/w...-gas-vehicles/