Green Car Congress

AUGUST 3, 2010

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. If internal energy is excluded, and only purchased energy is used as input, then the EROI calculated is in the range of 2 to 16.

Oil 199

Oil Cleveland Carbon Boston 199

Clean Fleet Report

JULY 1, 2021

For comparison, today only one percent of our current national fleet consists of electric vehicles. Because of their cost and limited mile range, city dwellers—especially women—were early big fans of electric vehicles. In Cleveland, Ohio, Oliver Frichtle claimed his battery-powered car could make it 100 miles before needing a charge.

Electric Cars 96

Electric Cars Cars Electrical Electric 96

Clean Fleet Report

MARCH 11, 2023

Range anxiety has been the bugaboo of EVs. Fortunately it’s becoming less of an issue now the newest EVs have a range of up to 300 miles on a full battery charge. Consequently, range anxiety and charging locations are of little concern. Since I was attending the Detroit Auto Show, I could replicate my UK trip for comparison.

Miles 78

Miles Kia Charging All-Electric 78

Cars That Think

JUNE 2, 2023

Comparisons with the benchmark model show a 4x improvement in tracking performance, smoother control inputs, and faster and more consistent computation time. “TJ-FlyingFish: Abstract: Aerial-aquatic vehicles are capable to move in the two most dominant fluids, making them more promising for a wide range of applications.

Power 89

Power Powered USA South Korea 89