Minecart with Command Block

Minecart with Command Block is an entity introduced in snapshot 13w39a. As the name implies, it is a Command Block inside a Minecart, having the combined functionality of both. They can be activated by powered Activator Rails.

Trivia

 * In Snapshot 13w39a, Minecart with Command Blocks have no way to output redstone signal for command success as normal Command Blocks can with Redstone Comparator.