China can rightly note that, per person, its billion plus population is much less polluting than America's or Europe's.
Clean alternatives face regulatory and other obstacles, while petrol, which is less polluting than coal, attracts disproportionately high taxes.
It is moving faster than its predecessors to encourage less polluting energy.
That reinforces the case for increasing duties on ordinary diesel, and reducing it on less toxic fuels and less polluting forms of transport.
The economics of such measures are further improved because some ports give discounts or special privileges to more fuel efficient (and less polluting) ships.
An associated reform of China's economy is the creation of more efficient (and ultimately safer and less polluting) means of private production, especially of food.
While solar is a far less polluting energy source than coal or natural gas, many panel makers are nevertheless grappling with a hazardous waste problem.
Privatisation of electricity production, most notably in India, Thailand and Brazil, is causing a rapid installation of more efficient, and thus less polluting, power stations.
The agency also suggested that high coal prices combined with a drop in natural gas prices saw nations replace coal with less polluting gas-powered electricity generation.
Research at the University of Florida's fuel cell lab aims largely at making such fuel cell systems more efficient and less polluting and integrating them with vehicles, he said.
Or what will help you figure out a way to use the sun and the wind to power a city and give us new energy sources that are less polluting.
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The power stations frantically being built in China to feed the country's new electricity grid will be relatively efficient and thus less polluting than older coal plants around the world.
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So I hope that within a matter of just a few years, in the US, in China, and throughout the world, all these engines will be much, much less polluting.
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Wind farms are being planned as part of the UK and Welsh governments' push to produce more electricity from less polluting sources, and reduce the use of coal, oil and gas.
For example, she cleans the kitchen sink with used tea leaves instead of regular detergent (less polluting and no extra cost), and polishes the crystal with a solution of soap and vinegar.
Gas is much less polluting than coal, so carbon dioxide (CO2) emissions have fallen in the US. But European power generators have gobbled up the resulting cheap coal, driving carbon emissions up in several nations.
Vessels powered by LNG typically are less polluting that those using more traditional fossil fuels, and the Lockheed unit believes it can apply similar aerospace technologies to a wide range of supply-chain opportunities in the rapidly-expanding energy sector.
The state has an aggressive plan to reduce its greenhouse gas emissions through a variety of means, from using more renewable electricity such as sun and wind power to requiring carmakers to roll out less polluting vehicles.
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But to achieve further improvements, the SMMT has long been lobbying for the government to adjust taxes to encourage investment in new technologies and to offer consumers incentives to encourage them to buy more fuel efficient, less polluting cars.
In part, it's still the hangover from last summer's storms, but it's also caused by the process of changing over to gasoline that is less polluting in the warm weather, and that procedure is more disruptive this year because distributors are switching from the old chemical called NTBE, which has been found to pollute ground water, to ethanol.
Needless to say, the potential value of gas hydrates as a less-polluting and more secure supply of energy is immense.
Increasingly, experts see natural gas as the only economically feasible way to build a new, less-polluting, hydrogen-based economy--a vast market allowing the oil industry a second act at the center of a transportation revolution.
Previous projects have included everything from workshops on designing and building less-polluting cookstoves to efforts to build and repair schools and roads to a two-year survey by scientists to study and map the Mekong.
"Designers have an obligation to explore solutions which are by nature less energy-consuming and non-polluting, " says Clive van Heerden, senior director of design-led innovation at Philips Design.
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