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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%

www.treehugger.com/...to-diesel-electric-hybrids.php - Preview

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One giant container ship can emit almost the same amount of cancer and asthma-causing chemicals as 50m cars, study finds

www.guardian.co.uk/...shipping-pollution - Preview

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