MARVEL MYSTERY OIL® DIESEL SUPPLEMENT

CLEANER FUEL SYSTEMS, IMPROVED MILEAGE, NOW FORMULATED FOR DIESEL ENGINES

Marvel Mystery Oil Introduces Diesel Supplement Specifically Designed to Meet the Needs of Todays Diesel Engines

CHICAGO, IL (October 22, 2007) - Marvel Mystery Oil, long renowned for improving fuel efficiency and reducing wear and tear in engines and fuel systems - has introduced Marvel Diesel Supplement, a formula specifically designed to improve the performance of diesel engines when using todays ultra-low sulfur diesel fuel. The new diesel-specific formula is designed to meet 2007 federal requirements for low sulfur diesel additives.

`Ultra-low sulfur diesel can be tough on engines creating accelerated wear on fuel injectors,` said Marc Okicich of Turtle Wax. `Adding Marvel Diesel Supplement to each tank of fuel improves the fuels lubrication causing less wear on fuel systems and reducing the need for injector and engine overhauls.`

Marvel Diesel Supplement not only increases fuel economy by 8 percent and keeps fuel injectors clean and lubricated, it also improves the cold flow properties of ultra low sulfur diesel to prevent gelling and improve vehicle performance in cold weather. Adding Marvel Diesel Supplement can decrease diesel fuels cold flow point from -5 grade to -40 grade.

Drivers can feel the effects of Marvel Diesel Supplement in their vehicles performance as well. A single dose will boost ULSD fuels cetane rating by three numbers - using a double does increases the cetane rating six numbers.

`Increasing the cetane number has a dramatic effect on a vehicles power, engine performance and fuel economy,` said Okicich. `It is a difference drivers can feel.`

While Marvel Diesel Supplement is specially formulated to benefits 2007 ultra-low sulfur vehicles, it will improve fuel efficiency, reduce engine damage and improve cold flow properties in all diesel engines including pre-2007 diesel engine models.

Look for Marvel Diesel Supplement at many of your favorite auto parts stores early in 2008.

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