Chevron claims that the latest generation of Techron fuel system cleaners claim to offer a complete fuel system cleaner, instead of just concentrating on a specific element like fuel injectors.

The new Techron Concentrate Plus and Techron D Concentrate for petrol and diesel engines are distributed through Advance Pitstop in 350ml packs costing €20 each. Chevron claims that far from a quick fix to pass the NCT test or temporarily solve an issue, a single Techron treatment is designed to work for between 9,500km and 12,500km (6,000 and 8,000 miles), or every six months for average drivers. Chevron claims that this approach is both cost effective and more efficient at keeping an engine in good working order.

Chevron asked independent emissions testing service, Emissions Analytics to test the product using European fuels in European cars. A total of 22 vehicles covering models from BMW to Opel, both petrol and diesel, were tested to establish the impact Techron has on vehicle power, emissions and fuel economy.

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In total, over 480 separate emissions test cycles were conducted and approximately 17,500km (11,000 miles) covered during the independent assessment. Under the independent test conditions, the petrol vehicles saw an average improvement in fuel economy of 8.7%, while the tested diesel models improved by an average of 7.6%. The test data also shows improvements to vehicle power of 2.6% in petrol vehicles and 3.4% in diesel, as well as reductions in CO2 emissions of 7.4% and 6.5% respectively.

Chevron claims that using Techron could make a significant saving in fuel costs by using it. With one treatment lasting between 6,000 and 10,000 miles, most cars would only need a treatment once a year – which could be applied during scheduled maintenance.