So what's MFO/MFD self-healing DC filter capacitors

So what's MFO/MFD self-healing DC filter capacitors an example of a machine well-suited to run on capacitors? The city bus. By style, vehicles have to quit every few blocks, which is of course annoying when you're stuck behind one. But vehicles equipped with ultracapacitors can also easily cost at each quit, eliminating the need for expense wires or large battery energy pack.

Ultracapacitors on a bus can also be billed through restorative breaking, the way a Prius's battery energy is billed. Sinautec Automobile Technological innovation has created multiple vehicles that use ultracapacitors to do exactly that.
http://www.anhui-shengda.com