> 4) Some technologies are viable but not yet EPA > approved, such as a urea based exhaust cleaner. EPA > wants this stuff to run 100,000+ miles without > maintenance and the Urea exhaust treater requires > regular maintenance. "No, sir, I'm just refilling the urea reservoir for you..." :) -- Ben Pearre 1990 200TQA http://hebb.mit.edu/~ben