Renewable electricity as a percentage of gross electricity consumption, 2009.
The renewable electricity directive (2001/77/EC) defines renewable electricity as the share of electricity produced from renewable energy sources in total electricity consumption. The latter includes imports and exports of electricity. The electricity generated from pumping in hydropower plants is included in total electricity consumption but it is not included as a renewable source of energy.
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This will reduce wear and tear on them and increase their longevity, thereby saving money. It also saves precious raw material: it takes 27 litres of crude oil to produce a new tire. Under-inflated tyres also increase fuel consumption by up to 10%. Check your tyres at least once a month. It takes but a few minutes.
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