Breitbart.com

A man grabbed two cordless power saws off a subway station workbench and went on a rampage Thursday, swinging the saws at riders and slicing open a man’s chest before running away, police said. …

The attack came two weeks after a Boston man was charged with stabbing four people _ three of them tourists _ over a 13-hour period in the subway and the theater district in Manhattan.

Can you imagine the gasoline those two maniacs would have to burn in order to reach the same number of potential victims as they did on those subways in mere minutes? Think of the trees!