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Last year, Michelin announced it no longer would procure rubber from deforested lands. It set about working with suppliers and regional governments to encourage sustainable forestry. Michelin's zero deforestation policy led other tire makers Bridgestone, Goodyear and Continental to also begin working towards zero deforestation in rubber procurement. Now, GM is also adopting a zero deforestation stance in its tire procurement policy. The largest U.S. automaker (in market capitalization) in June declared that it would buy only tires with rubber sourced from sustainably grown forests. In addition, the company announced plans to work with other automakers and tire manufacturers to come up with an industry response

One is an eyesore and a health hazard, the other one is plain dirty. So what do you get when you combine processed scrap tires with diesel fuel? In what might be a case of two wrongs making a right, Australian startup Green Distillation Technologies (GDT) has shown that it is possible to get a cleaner blend of fuel by combining oil derived from old tires with diesel.

More than 70 different technologies are available to improve the efficiency of a trucking fleet. These include changes to powertrains and chassis, low-rolling-resistance tires, and enhanced tractor aerodynamics. Finding the right mix to improve a specific fleet can be daunting. Carbon War Room partnered with the North American Council for Freight Efficiency (NACFE) to publish a series of Confidence Reports-objective assessments of the fuel efficiency savings of these technologies. The reports were cited by U.S. EPA in its Greenhouse Gas Pollution Prevention rule-making proposal. 

Most people know that properly inflated tires can improve a vehicle's fuel efficiency, but did you know that properly maintained roadways can improve fuel efficiency across an entire pavement network?