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New Review Concludes Very Low EROI of Oil Shale Combined with High Carbon Intensity Likely Makes it an Unsuitable Alternative to Conventional Crude Oil

Green Car Congress

A comparison of estimates of the energy return on investment (EROI) at the wellhead for conventional crude oil, or for crude product prior to refining for oil shale. Source: Cleveland and O’Connor. Cleveland and O’Connor. Cleveland and O’Connor. Cleveland and O’Connor. Click to enlarge. Click to enlarge.

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Video Friday: Autonomous Car Drifting, Aerial-Aquatic Drone, and Jet-Powered Robot

Cars That Think

Comparisons with the benchmark model show a 4x improvement in tracking performance, smoother control inputs, and faster and more consistent computation time. “TJ-FlyingFish: We propose a prototype with special designs for propulsion and thruster configuration to cope with the vast differences in the fluid properties of water and air.

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