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DEKRA-certified tests: Mercedes-Benz HD trucks cut fuel consumption 22% in 20 years while meeting more stringent emissions rules; VECTO

Green Car Congress

Despite drastically more stringent emission standards for nitrogen oxides and particulates, the fuel consumption of Mercedes-Benz heavy trucks has been reduced by 22% over the last 20 years, according to the results of a comparative test drive certified by the test organization DEKRA. Click to enlarge. g/kWh of particulate mass. mpg US); and.

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A Skeptic’s Take on Beaming Power to Earth from Space

Cars That Think

One, Solaren, even signed a power-purchase agreement to deliver 200 megawatts to utility customers in California by 2016 and made bold predictions that space solar plants would enter mass production in the 2020s. As Lao Tzu observed long ago in the Tao Te Ching , “The truth is not always beautiful, nor beautiful words the truth.”

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