Sentences with phrase «diesel emissions accounted»

And yet these everyday products were responsible for 38 percent of the VOC emissions, the researchers found, while gasoline and diesel emissions accounted for only 33 percent.

Not exact matches

If diesel vehicles account for 30 per cent of the PM10 emissions from all sources (as suggested by a recent report for the Department of the Environment), then the adviser's estimate makes some sense.

A comparison of natural - gas - burning versus diesel - burning buses gave the emissions edge to diesel, which accounted for 12 percent fewer emissions, within the range of uncertainty.

The eco-focussed 1.6 - litre diesel is expected to account for the majority of UK sales, which is a pity because while it's a workmanlike unit it lacks the punch and flexibility of the market's best low - emissions diesels.

They compared estimated emissions for shale gas, conventional gas, coal (surface - mined and deep - mined) and diesel oil, taking into account direct emissions of CO2 during combustion, indirect emissions of CO2 necessary to develop and use the energy source and methane emissions, which were converted to equivalent value of CO2 for global warming potential.

But scientists recently determined that when land use changes are taken into account, biofuel use does not reduce carbon dioxide emissions when compared to gasoline or diesel fuel.

It also accounts for about half of global diesel use, a third of all transport - related carbon emissions and a fifth of NOx emissions, a key air pollutant.

To calculate possible benefits of policy action, the study provides «maximum feasible reduction scenarios» that take into account the incorporation of emissions control technologies such as seawater scrubbers that absorb sulfur dioxide emitted during the burning of diesel fuel.