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EIA: natural gas-fired reciprocating engines are being deployed more to balance renewables

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Source: US Energy Information Administration, Preliminary Monthly Electric Generator Inventory, January 2019. Other includes landfill gas, biomass, and other gas. Based on data in EIA’s Preliminary Monthly Electric Generator Inventory, reciprocating engines accounted for 1% of the total natural gas-fired power fleet.

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Texas study finds PHEV use could increase ozone at night, decrease ozone during the day

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A study by researchers at the University of Texas found that in general, use of plug-in hybrid electric vehicles (PHEVs) can lead to an increase in ozone during nighttime hours (due to decreased scavenging from both vehicles and EGU stacks) and a decrease in ozone during daytime hours. The results are less clear in Dallas and Houston.

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Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

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The final SuperTruck demonstrator ran a five-day, 312-mile (502-kilometer) roundtrip route on Texas Interstate 35 between San Antonio and Dallas, at a weight of 65,000 lbs (29,484 kg) GVWR at a speed of 65 mph (105 km/h), where it achieved an average result of 12.2 engine brake thermal efficiency. mpg (19.26

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