500% gains in six months is an astonishing accomplishment. How long can Oshkosh continue to outbid its fierce competitors?

Liquid coal — synthetic fuel produced from coal — could make a big dent in the Defense Department’s energy bill, as it struggles to find alternatives to sky-high crude oil prices.

This from The Wall Street Journal:

With oil’s multi-year ascent showing no signs of stopping — crude futures set another record Tuesday, closing at $129.07 a barrel in New York trading — energy security has emerged as a major concern for the Pentagon.