The environmental impact of cars and other automobiles start even before they start running with highly-polluting manufacturing processes that consume vast amounts of energy. Once on the road, the average car can produce more than three kilos of air pollutants including carbon dioxide, a greenhouse gas, for every litre of petrol.
This is further compounded by the fact that even the best conventional car only operates at 30%-45% fuel efficiency. Up to 70% of each litre of petrol burning in the engine is wasted in the form of heat and overcoming internal component friction.
Soaring Rate of Half A Million Privately-Owned Cars In Singapore
Despite our highly-efficient public transport infrastructure, there are close to half a million privately owned vehicles in Singapore. Roads take up about 11% of land in Singapore as compared to only 6% for housing and less than 3% for natural forest reserves.
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