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NRC report concludes hydraulic fracturing poses low risk for causing earthquakes, but risks are higher for wastewater injection wells; CCS impact undetermined

Green Car Congress

Earthquakes attributable to human activities are called “induced seismic events” or “induced earthquakes.” In addition, carbon capture and storage may have the potential for inducing seismic events, because significant volumes of fluids are injected underground over long periods of time.

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GMs Expanding Gasoline Direct Injection Engine Portfolio

Green Car Congress

In addition, the control of the injection event, via direct-injection technology, is very precise and results in better combustion efficiency and fuel consumption at all throttle openings. The cylinder head has integral cast oil passages that feed a set of internal oil control valves that activate cam phasers, enabling variable valve timing.

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