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FedEx is announcing today that it has converted 92 of its trucks to diesel-electric hybrids (using lithium-ion batteries), bringing the total number of hybrids the company has to 264. There are a few reasons why these conversions are noteworthy. First, despite a bigger and more powerful engine (going from a 5.9L 175 HP diesel engine to a 6.7L 200 HP one), the converted trucks show an improvement of 44% in fuel economy, a decrease in particulate matter (PM) emissions of 96% (!), and a reduction of NOx emissions by 75%
One giant container ship can emit almost the same amount of cancer and asthma-causing chemicals as 50m cars, study finds
Just when switching over to clean energy to fight climate change has become a global mantra, water-rich Nepal appears to be heading in the opposite direction, changing from renewable to dirty energy.
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