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There would be more immediate benefits to the air quality in UK cities by converting all their buildings to electric heating than from the much talked about government plan to halt the sale of petrol and diesel cars by 2040, according to consultancy WSP. A switch to electric heating would provide around a 40 reduction in emissions, a similar level to what would be achieved if all vehicles were to become electric by 2040, according to the report. It highlighted the figures following yesterday’s government announcement that petrol or diesel cars would no longer be sold from 2040. In Central London alone 38 percent of NOx emissions come from buildings using gas power, claims WSP. In 2014 WSP published a report that showed that if all transport and buildings were to become electric by 2030 in London, air pollution could be reduced by over a third, carbon emissions cut by 80 percent and noise pollution reduced significantly. Its figures come from the expected London emissions in 2020 from London Atmospheric Emissions Inventory.
Barny Evans, WSP associate director for sustainable places, said: “Today is an important step, but it will take a long time to improve our cities’ air quality by converting to electric vehicles. Alternatively we can phase out existing gas-heated buildings today and make all new buildings electric with no cost implication and significant health benefits. It’s not possible for everyone to go out and buy an electric car tomorrow, but we can mandate that all new buildings are only electric. When we talk about air quality and health in cities we have to recognise that electric transport is crucial but only half the solution, and one that is dictated by technology advances. It would be faster and cheaper to improve the air we breathe through sensible electric heating policies that can take effect now as the technology is already available and being used.”