Two-wheel vehicles with a cylinder capacity over 150cc are sometimes called or known as power scooters. The term of power scooters also applies to the electric chairs that often replace the classic wheelchair for the disabled. Power scooters are of an immense help for people with mobility problems, not to mention that their costs and advantages are remarkable as well. Thus, if compared with electric wheelchairs, mobility or power scooters are not only cheaper buy easier to get a coverage for from insurance companies and health agencies. To get back to the other category, the power scooters used by the able-bodied are the most expensive of all step-through motorcycles, with prices often ranging $9,000.