scholarly journals Low Energy: Estimating Electric Vehicle Electricity Use

2021 ◽  
Vol 111 ◽  
pp. 430-435
Author(s):  
Fiona Burlig ◽  
James Bushnell ◽  
David Rapson ◽  
Catherine Wolfram
Keyword(s):  
Electric Power ◽  
Climate Policy ◽  
Electric Vehicle ◽  
Low Energy ◽  
Electricity Use ◽  
Transportation Electrification ◽  
Scale Estimate

We provide the first at-scale estimate of electric vehicle (EV) home charging. Previous estimates are based on conflicting surveys or are extrapolated from a small, unrepresentative sample of households with dedicated EV meters. We combine billions of hourly electricity meter measurements with address-level EV registration records from California households, including 64,000 EV owners. The average EV increases overall household load by 2.9 kilowatt-hours per day, well under half the amount assumed by state regulators. Results imply that EVs travel less than expected on electric power, raising questions about transportation electrification for climate policy.

scholarly journals Low Energy: Estimating Electric Vehicle Electricity Use

2021 ◽  
Author(s):  
Fiona Burlig ◽  
James Bushnell ◽  
David Rapson ◽  
Catherine D. Wolfram
Keyword(s):  
Electric Vehicle ◽  
Low Energy ◽  
Electricity Use

scholarly journals Low Energy: Estimating Electric Vehicle Electricity Use

2021 ◽  
Author(s):  
Fiona Burlig ◽  
James Bushnell ◽  
David Rapson ◽  
Catherine Wolfram
Keyword(s):  
Electric Vehicle ◽  
Low Energy ◽  
Electricity Use

scholarly journals Low Energy: Estimating Electric Vehicle Electricity Use

2021 ◽  
Author(s):  
Fiona Burlig ◽  
James Bushnell ◽  
David Rapson ◽  
Catherine D. Wolfram
Keyword(s):  
Electric Vehicle ◽  
Low Energy ◽  
Electricity Use

scholarly journals Easy-Riding Compact Electric Shopping Vehicle

2021 ◽  
Vol 33 (5) ◽  
pp. 1178-1189
Author(s):  
Takeharu Hayashi ◽  
Yoshihiko Takahashi ◽  
Satoru Yamaguchi ◽  
◽  
Keyword(s):  
Electric Power ◽  
Electric Vehicle ◽  
Pulse Width ◽  
Pulse Width Modulation ◽  
Standing Position ◽  
Power Source ◽  
Sitting Position ◽  
Speed Controller ◽  
Experimental Vehicle ◽  
Modulation Control

We are developing a small compact electric vehicle for shopping purposes. In this study, we fabricated an experimental vehicle, that uses only six small rechargeable AA batteries (7.2 V, approximately 2 A·h) as an electric power source. The vehicle user can select between two driving positions: standing and sitting. A compact transmission with a 90-W DC motor and a speed controller that uses pulse width modulation control was designed as an actuating system. Running experiments were conducted to observe the performance of the fabricated vehicle on a flat floor in a gymnasium. The fabricated vehicle was able to operate for 52 min at a speed of 2.73 km/h. The getting-on and getting-off processes in the vehicle were repeated many times during shopping. The human leg strain while getting on and off the vehicle was investigated by electromyogram measurement. During the getting-on and getting-off processes in the vehicle, the myoelectric potential of the quadriceps increased in the sitting position but did not increase in the standing position. The experimental results show that a user suffers more strain in the sitting position than in the standing position.

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