Most of Deathbikes races I charged from a good frienda prius pack. The cars engine just starts and shuts off again as needed when you're drawing from the DC of its hybrid pack.
Most modern PFC front end "AC" input devices work equally well from DC input of adequate magnitude, generally around 90vdc to 400vdc works fine for most devices (some also instantly fail, fireworks optional.)
Each carcinogen vapor exposure includes a dice roll for cancer.
Each mutagen vapor exposure includes a dice roll for reproductive genetic defects in your children.
Each engine start sprays them into a shared atmosphere which includes beings not offered an opportunity to consent accepting these cancer experiences and defective genetics life experiences.
Every post is a free gift to the collective of minds composing the living bleeding edge of LEV development on our spaceship.