Sentences with phrase «diesel emissions factors»

Not exact matches

To construct the estimates, the researchers used data on locomotive diesel consumption, pipeline pumping station electricity consumption, locomotive and power plant emission factors and the AP2 integrated assessment model, which maps county level emissions to costs for counties affected by the emissions.

He notes that the FDA analyzed the environmental impact of POSILAC some 15 years ago (as it assessed its safety) and at that time concluded that it might actually increase greenhouse emissions slightly because of, among other factors, the diesel expended to transport it to farms.

Other notable factors are a lower proportion of diesel - powered engines across the Australian car and LCV fleet than in Europe, fewer government incentives for lower - emissions vehicles and relatively low fuel prices compared with Europe.

With the GM 2.8 L diesel gaining only 2 MPG over the 2.5 L gasoline engine, while adding 440 pounds to its curb weight, the diesel fuel economy gains are not sufficient to offset the higher emission factor for diesel fuel, with the diesel option producing 4 % more CO2 - equivalent emissions over the truck's life - cycle.

The absorption emission factor (the absorption cross-section per mass of fuel burned) for diesel trucks (4.4 -LCB- + --RCB- 0.79 m -LCB- sup 2 -RCB- kg -LCB- sup -1 -RCB--RRB- was 22 times larger than for light - duty gasoline vehicles (0.20 -LCB- + --RCB- 0.05 m -LCB- sup 2 -RCB- kg -LCB- sup -1 -RCB--RRB-.

«One major contributing factor to China's urban air pollution is emissions from dirty diesel vehicles, including trucks, locomotives and ships, as well as construction and agricultural equipment.