We’ve been asked by Redex – makers of fuel additives and system cleaners – to try their product on one of our cars for a couple of months to see what we think. It’s hard to know what to think about ...

We’ve been using Redex Diesel System Cleaner in our 100k mile Ford C-Max for a few months to see if it improves performance and economy. Does it work? Back in October, we started using Redex Diesel ...