> -EVSEs have safety interlocks that prevent EVs from > going into drive while charging
Actually, the J1722 protocols don't say anything about defeating vehicle motion. If such an inhibit feature is implemented, it's taking place in the vehicle's circuits sensing that the charging handle is inserted in the charge port. A simple mechanical or proximity switch is all that's needed, or monitoring for the J1722 pilot signal, although this would be less fail-safe.
Liquid fuel pumps have breakaway sections in the hose. Crude, but effective, although this seldom prevents damage to the pump (and the vehicle) in the event of a driveaway while fueling.
Re; Grocery store rewards. I'd much rather have lower food prices than have a retailer encouraging fossil fuel use, or even driving in general. Besides, the fuel islands at the store are always too crowded with "rewards" seekers, and the approach and exit isles to the station are inconvenient. I'll pay a few pennies more and buy motor fuel in a more relaxed atmosphere.
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