Winter is the time of year that really puts diesel trucks and tractors to the test. Sure, a boosted engine loves cold air, but you know what doesn’t? The fuel that makes these workhorses run. That’s ...
FARGO, N.D. - Yes, North Dakota State University has indeed tested the fuel additive CA-40. The tests - replicated six times in a laboratory - show no significant improvement, either in horsepower or ...
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