Can this e-cargo bike replace my car. We're trying to find out. Welcome to Prove It.I am just about ready for my morning commute on the RadRrunner Max from Rad Power Bikes. This is an E cargo bike and E cargo bikes sort of strike that perfect balance between what you get from a car and what you get from a regular bike. Now I'm going to test it in a few different ways to see just to what extent it can replace my car.Number one convenience. Number two safety. And number three cargo capacity.I should probably ...