The way hemp power at least in vehicular transport would work is not only by the power source of the vehicle itself it could also be used as the structure of the car and mitireal the car is built from. To start with I will speak about the use of it as a fuil I will only bring up problems and solutions relavent to the current topic. The use of hemp as a fuil is not a new consept as it was used up to 1920 when it was outlawed and fossil fuel replaced it the easy availability of hemp seeing it grows in 180 days and in exstremly large patches because thay can be planted so close together and can be planted almost anywhere meaning you could grow you own fuil. Another amazing benefit to hemp fuil it's going to be exstremly cheap due to availability. Now onto its use as a mitireal hemp is one of the worlds strongest mitireals when whoven it is 10x stronger than steel and whays much less to the point where a car could way 50kg and becose of this it is exstremly low whate it means grate fuel efficiency.