For the first time in company history, Cummins has officially endorsed a fuel additive, recommending two Power Service products, Diesel Kleen + Cetane Boost and Diesel Fuel Supplement + Cetane Boost.
When fuel prices surge, gas-saving tricks are as plentiful as people complaining about the high cost of filling their tanks.
Top Tier gas is worth the extra cost, per a study by AAA. CR lists car brands that recommend Top Tier gasoline and gas stations where you can buy Top Tier gas.
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