I understand that Li-ion production is limited, but I think USPS could be 100% Hybrid, PHEV, or Electric moving forward. I understand that EVs are boutique ite

I understand that Li-ion production is limited, but I think USPS could be 100% Hybrid, PHEV, or Electric moving forward. I understand that EVs are boutique items that use lots of limited Li-ion cells. But Hybrid technology is very good these days, and USPS stop-and-go style movement only makes regenerative braking more important. Hybrid is the "lightest weight" style regenerative braking car, so I'd like to see Hybrids across the fleet. At a minimum.