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DIESEL: On the Toxic Trail of Devil's Engine

That diesel emissions are harmful and toxic is an old story. But even after 20 year of global action to clean diesel up, it is still throwing up new and more difficult challenges; and that is an unfolding story.

Wheels are turning

Let’s share cars; take a bus or metro; cycle or walk Early this month, I was in the Delhi High Court, where a battery of lawyers had filed separate petitions against the odd-even scheme of the Delhi government. This is a scheme to ration car usage so that in the critically polluted winter months only half the vehicles are on the road. Their arguments were that the scheme had led to enormous inconvenience and worse, daily pollution data showed no impact on air quality. Cars, they said, were not responsible for pollution. 

Deadly air: face it

Leaving Delhi for a less-polluted city would mean accepting defeat. And not many have the option. Instead, we must fight the battle against air pollution. 

Walk the talk on carbon tax, Mr Finance Minister

Budget 2015, presented by Finance Minister Arun Jaitley, has a first. In it, India has accepted that it has a de-facto carbon tax—on petroleum products and dirty coal. Arguably, the only big green initiative of this budget is the increase of cess on coal—from Rs 100 per tonne to Rs 200 per tonne. But the question is: is this carbon tax, imposed on the carbon content of fuel, doing what it should—reduce greenhouse gas emissions that are responsible for climate change?