Why battery-powered vehicles stack up better than hydrogen

Low energy efficiency is already a major problem for petrol and diesel vehicles. Typically, only 20% of the overall well-to-wheel energy is actually used to power these vehicles. The other 80% is lost through oil extraction, ...

The true cost of free shipping

It's easy to see why online shopping is so popular. Just a couple of clicks and that new pair of socks is winging its way to you at breakneck speed. And they can get it to you in two days for free? Click.

Germany tweaks law to limit diesel car bans

The German government will ease air pollution law so as to spare cities that only slightly exceed limits on harmful nitrogen dioxide (NO2) from diesel vehicle bans, ministers agreed Thursday, sparking sharp criticsm by environmentalists.

Study helps city ban large trucks

For decades, heavy diesel trucks taking cargo from container ships at the Port Newark-Elizabeth Marine Terminal used a residential street in Elizabeth to avoid the tolls between Exits 13 and 13A on the New Jersey Turnpike. ...

Putting the squeeze on soot

Running diesel engines and gas turbines at high pressure to boost power output and efficiency is harmful for the environment. Burning fuel at high pressure can significantly change the soot particles that are produced, William ...

German court orders diesel bans in Cologne, Bonn

A German court Thursday ordered Cologne and Bonn to join a slew of cities in banning older diesels from its roads to combat air pollution, as the government struggled to reach a deal with carmakers on cleaning up the cars.

Germany wants automakers to pay up as more diesel bans loom

The German government is putting pressure on the country's automakers to fix their diesel cars that have excessive emissions, in a bid to placate drivers angered by the prospect of diesel driving bans in major cities.

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