Additional NOx emissions from gliders under the Pruitt proposal would be 13 times what the impact of the Volkswagen fraud in the U.S. would have been had it gone undetected.
The summary of a "study" that the glider industry used to support its claim that EPA was wrong about how dirty gliders are is fingernails-on-a-chalkboard aggravating.
Tesla isn’t the only company betting big on long-haul electric trucks. Some of the others are betting on hydrogen, some on catenary systems. But don't look yet for an odds-on favorite.
Sales of battery electric buses are surging, yet a complete technology transition won't happen overnight. Meanwhile, tightening emission standards on conventionally powered buses would have immediate benefits for air quality in many of the world's fastest growing megacities.
São Paulo’s clean bus transition has been delayed for long enough. The negotiations of the Article 50 amendment provide an opportunity for policymakers to put the city back on the right path for fulfilling climate, health, and technology innovation goals. Strong actions would place the city ahead of the curve as more and more cities around the world consider similar transitions to clean bus fleets.
7 fleets put the U.S. average fuel economy of 6 mpg in their rear-view mirrors long ago. Run on Less was a great way to help to get the word out to the rest of the industry that these results are no fluke. Double-digit mpg numbers for big rigs are here to stay—and it’s only getting better.