Which of the following EVs have a
larger impact on the grid, in terms of required electrical energy needs?

Question

BlackTom AI · Accepted Answer

The question asks which of the listed electric vehicles (EVs) would have a larger impact on the electrical grid based on energy needs over typical usage.
Option a describes a plug-in hybrid electric vehicle (PHEV) with a 10 kWh battery and an average daily driving distance of 30 km. PHEVs have smaller electric-only batteries and often use internal combustion engines as well, which generally means their annual or daily electrical energy demand is limited compared to full EVs. While they do consume electricity for their battery-powered propulsion, the lower battery size and shorter daily distance reduce the overall grid energy impact relative to larger, fully electric options.
Option b describes a full electric vehicle (FEV) with a 30 kWh battery and an average daily driving distance of 60 km. A 30 kWh pack holds substantially more usable electrical energy for propulsion, and driving 60 km per day increases daily electricity consumption compared to the 30 km/day in option a. This combination typically leads to a higher energy draw from the grid to recharge the battery, especially if charging occurs daily and at standard household or public charging rates.
To compare logically: energy impact on the grid is largely a function of how much energy must be supplied to the vehicle’s battery for its daily use. The larger the battery (30 kWh vs 10 kWh) and the greater the daily travel (60 km vs 30 km), the more electricity the vehicle requires over time. Therefore, the full EV with a 30 kWh battery and 60 km/day would generally impose a larger energy demand on the grid than the plug-in hybrid with a 10 kWh battery and 30 km/day.
In summary, option a has a smaller energy draw due to its smaller battery and shorter daily use, while option b has a larger energy draw due to both a bigger battery and higher daily mileage, resulting in a greater impact on the grid.

Which of the following EVs have a larger impact on the grid, in terms of required electrical energy needs?单项选择题

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