By: Addison Wylie Actor Jason Bateman narrates Pump as if he’s providing a voiceover for a car commercial.  This is fitting since a large chunk of the documentary feels like one extra-long commercial for alternative fuels and electric vehicles.  However, Joshua and Rebecca Harrell Tickell have conceived a lively, well intended film that I ended up being quite fond for. Many documentaries chronicling selfish behaviour behind big business (or, in this case, Big Oil) have…