Sentences with phrase «fuel combustion today»

Not exact matches

Today's anthropogenic carbon dioxide (CO2) emissions are around 36 billion tons annually, of which 29 billion are the result of fossil - fuel combustion and industrial processes, and another seven billion or so are to the result of tropical deforestation.

Today's anthropogenic carbon dioxide (CO2) emissions are around 36 billion tons annually, of which 29 billion are the result of fossil - fuel combustion and industrial processes, and another seven billion or so are the result of tropical deforestation.

In order to achieve cost parity with an internal - combustion engine, battery costs would have to be cut by more than two - thirds and fuel costs would have to more than double today's level.

Today's gas - electric hybrids are the among the most fuel efficient and greenest cars among vehicles relying on internal combustion power.

Premature deaths worldwide from outdoor air pollution rise from 3 million today to more than 4 million in 2040 in the New Policies Scenario, even though pollution control technologies are applied more widely and other emissions are avoided because energy services are provided more efficiently or (as with wind and solar) without fuel combustion.

In this case, future CO2 level from human combustion of fossil fuels would be constrained to the same as occurred in the past or ~ 110 ppmv above today's level = a bit more than 500 ppmv, rather than a bit less than 1000 ppmv).

On - board hydrogen fuel - cells could be up to 80 percent more fuel - efficient, and emit 45 percent less carbon dioxide, than today's internal - combustion engine.

The oil - fired (liquid - fired) generators are only used minimally today, due to a combination of high relative fuel prices, air pollution restrictions, and the low efficiencies of the older steam turbines and newer internal combustion units.

With today's energy mix, PHEVs running on electricity from the grid are nearly three times more efficient than NGVs on a «well - to - wheel» basis — that is, when considering the full life cycle of the energy source, from fuel extraction to combustion to vehicle propulsion.

Today's gas - electric hybrids are the among the most fuel efficient and greenest cars among vehicles relying on internal combustion power.

Also in 2015, Xiaochun Zhang and I published a paper pointing out that, over the several hundred thousands of years that today's CO2 emissions from fossil - fuel burning will perturb atmospheric content, the radiative forcing from that CO2 will warm the Earth more than 100,000 times more than the direct thermal emissions from the combustion of fossil fuel.

That's the rate that people are releasing carbon to the atmosphere from fossil fuel combustion and deforestation today.