LiquidPiston signs $1M agreement with DARPA to advance development of power-dense X-Mini rotary engine for JP-8

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CleanTechnica
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DOE Finalizes Efficiency Standards for Water Heaters to Save Americans Over $7 Billion On Household Utility Bills Annually 91
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Air Pollution Could Potentially Exacerbate Menopause Symptoms, Study SaysInsideClimate News
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