Electric vehicles/Fossil fuel powered

If electric vehicles are powered with electricity that was generated by fossil fuels, is it worse for the environment than just driving a gas car?

electric_car.efficiency

100 miles per 34.6 kWh

The "gas mileage" equivalent for an average electric car.

Average Electric Car kWh Per Mile [Results From 231 EVs]
ecocostsavings.com › average-electric-car-kwh-per-mile

li_ion.charge_discharge_efficiency

85%

When you charge a lithium-ion battery, this much of the energy can be recovered. The rest is lost as heat.

Range: 80 to 90 %
from wikipedia; haven't found original source yet

power_grid.losses

5%

Electricity lost in transmission & distribution

Frequently Asked Questions (FAQs) - U.S. Energy Information ... - EIA
www.eia.gov › tools › faqs › faq
Nov 4, 2021 · "The U.S. Energy Information Administration (EIA) estimates that electricity transmission and distribution (T&D) losses equaled about 5% of ..."

coal_power_plant.efficiency

33%

How much of the coal's heat energy becomes electricity

Transformative Power Systems | Department of Energy
https://www.energy.gov/fecm/transformative-power-systems

car.fuel_economy

25.4 miles per gallon gasoline

Gas mileage of an average American new car

This datapoint is conformable with [electric_car.efficiency], because the calculator understands 'gallon gasoline' as an energy unit.

Citation:
"The average fuel economy for new 2020 model year cars, light trucks and SUVs in the United States was 25.4 miles per US gallon (9.3 L/100 km)."
- Fuel economy in automobiles - Wikipedia

car.fuel_economy (calculation loading)