Diesel fuel additives are not a magic do-all product. However, the water-removing and anti-freezing benefits are worth the extra penny no matter what truck you drive or where you live.

And while the Lucas anti-gel (9.21mm) and Stanadyne (9.07mm) additives weren’t much better than untreated diesel (9.34mm), neither of them claimed to improve lubricity.

One ounce treats up to 2.5 gallons of fuel. Amsoil's diesel All-in-One fuel additive combines the benefits of Amsoil Diesel Injector Clean, Diesel Cold Flow, and Diesel Cetane Boost in one package.

Hot Shot says it has the answer to diesel engines that lose power and fuel economy over time – the Secret Diesel Extreme additive made by Lubrication Specialties. OK, maybe it’s not a secret anymore.

A measure of diesel fuel thermal stability can be determined in a petroleum laboratory using the well-known ASTM D-6468 High Temperature Stability of Middle Distillate Fuels Test (5). The test ...

I've tried many additives over the years (Power Service, Stanadyne Performance Blend, Opti-lube, FPPF, and 2-stroke oil to name a few), so I'm looking forward to testing and evaluating another one.

For those who will no longer be able to use rebated fuel, they will need to use diesel or biofuel which the full rate of fuel duty has been paid for. Operating costs are expected to rise by around ...