June 1999 Columns HP Insight: How much sulfur is 'too much' for clean fuels? In the first half of '99, U.S. refiners have been hit with some tough blows. Last month, troubles began brewing when ...

April 2002 Trends and Resources HP Impact: Clean fuels: estimated $7 billion in U.S. refinery capital spending In 1999, the Environmental Protection Agency (EPA) released the Tier II sulfur mandates, ...

The next generation of cars will feature hydrogen as fuel, but some brands with strong electric vehicle DNA may be able to delay projects related to the use of wate r as fuel. There are already a ...

It’s fast, practical, and fun… but it’s not cheap to run. After 3 months and 6000 miles with the Mini JCW Clubman (306hp, ALL4), I break down what it’s really like to live with this hot ...