To get your minecarts going, you'll need to lay some rail. A minecart will not move from a stationary or level position without being acted on by an external force. This external force can be redstone, a furnace cart, or even gravity. As with all redstone items, the possibilities are ...
Remembering to carry one in your inventory or placing one on the tracks might be a bit much to ask for, and don't even get me started on bothering to press a button to make it go. So lets make a fully automatic cart dispenser/accelerator-system. Dig a 4x2x3 Hole 4x2 wide and 3 d...