The environmental case for electric vehicles in China has been complicated by research that asserts the cars produce more pollution than those with internal combustion engines.
The issue is likely to raise questions about China’s push to become the world’s EV champion by 2025. The government has justified devoting massive resources to encouraging domestic EV production — including billions of dollars in subsidies and production quotas — based on the proposition they are greener than petrol-engine cars.
But the environmental benefits were unclear, experts said. While China has been on a green energy push for years, coal still accounts for an overwhelming proportion of electricity production, meaning that charging electric batteries also burns carbon — often at a higher per-kilometre rate than petrol engines. Continue Reading →