WARNING:This is HIGHLY direction dependent.If things don't work,move commands around!
How do you make a piston move without another piston? Simple! Shove it in a minecart!


Commands:fill ~ ~-1 ~ ~10 ~-1 ~ redstone_block and fill ~ ~1 ~ ~10 ~1 ~ air --for the fill clock

execute @e[name=PistonCart] ~ ~ ~ detect ~ ~ ~ activator_rail N clone ~ ~1 ~ ~ ~1 ~ ~ ~2 ~ masked
--clones block above cart up one block,must be activated before:

execute @e[name=PistonCart] ~ ~ ~ detect ~ ~ ~ activator_rail N setblock ~ ~1 ~ air
--Deletes block above cart

 *N = Numbers from 8-13,you need multiple command blocks for this.


summon MinecartHopper ~ ~-2 ~ {CustomName:PistonCart,CustomDisplayTile:1,DisplayTile:piston,DisplayData:1}
--Summons PistonCart