[Spiritus]

What’s an HOV lane?

[jacquesm]

"High Occupancy Vehicle", typically a car with 3 or more people in it. To allow use of the lanes for electric cars is technically cheating.

[sxates]

Also known as a "carpool lane" - requires 2 or 3 passengers to use, and is a way to ease congestion on freeways.

[chx]

And in a lot of jurisdictions electric vehicles even with one passenger is allowed in them.