Recharge IT - Driving Experiment

Driving Experiment

In addition to the data collected for two years when the converted plug-ins were driven by Google employees, RechargeIT set up a controlled test using three conventional gasoline vehicles, two regular hybrids and two plug-in converted Ford Escape Hybrid and Toyota Prius. The results of the seven-week driving experiment for the converted Prius plug-in showed an average fuel economy of 93.5 miles per US gallon (2.52 L/100 km; 112.3 mpg) across all trips, and 115.1 miles per US gallon (2.044 L/100 km; 138.2 mpg) for city trips, the maximum reached for any of the driving conditions tested. A summary of the results of the seven-week driving experiment are the following

RechargeIT Driving Experiment results
Average miles per gallon
Internal combustion engine Hybrid electric Converted Plug-in hybrid
Type of trip Ford Expedition Toyota Sienna Toyota Corolla Ford Escape Hybrid Toyota Prius Ford Escape Hybrid
plug-in
Toyota Prius
plug-in
Average for all trips 14.2 20.3 30.8 32.2 48.4 49.1 93.5
Average for city trips 11.8 17.8 26.6 31.2 47.3 45.9 115.1
Average for combine city/highway 14.9 20.4 31.4 31.6 46.4 52.0 101.9
Average for highway trips 18.6 25.2 39.0 34.4 53.1 51.1 68.7

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