Sentences with phrase «efficient coal unit»

Not exact matches

They found that because natural gas plants are overall more efficient than coal plants, producing more energy per unit of carbon, they could cause less warming in the long term.

... In the U.S. electricity supply sector, the cost benchmark for reducing carbon dioxide emissions lies with substitution of natural gas for coal, especially older, less efficient units.

However, as China continues to replace older, less efficient generators with more efficient units, China's power sector coal consumption is expected to peak as soon as 2018, at 4,800 million metric tons.

Natural gas - fired combined cycle units are more efficient at over 50 % now, less expensive and quicker to build than coal - based systems.

But where coal - fired capacity is expanding, in emerging economies for example, less efficient, subcritical units dominate, primarily due to the absence of minimum efficiency policies.»

The figure below shows the climate impacts over time (measured in units called radiative forcing) of existing coal (the dashed black line), new high - efficient coal plants (the solid black line), and new gas plants (the green line).

The report also identifies that if the least efficient 500 TWh of power generation in China's national coal fleet were to be upgraded to the same technology used at Zhoushan Unit 4, this could reduce China's CO2 by about 850 million tonnes each year and it would achieve this reduction at a much lower cost than any other equivalent, scalable, emission reduction strategy currently available in China.

Even the Philippines» relatively modest coal fleet could achieve absolute savings of almost 30 per cent by adopting the most efficient USC units.