Chicago Tribune from Chicago, Illinois • 47

CHICAGO TRIBUNE, WEDNESDAY, AUGUST 5, 1970 Section i Coming: a new gasoline --non-leaded Shell of the Future. Another step in Shell's drive for cleaner air. You may have heard about some steps that Sheli has previously taken to help clean up the air In particular, Shell gasolines have long contained a detergent. If you have been driving on a Shell gasoline, this detergent has been holding down exhaust emissions remarkably well. There's also the TCP in Shell gasolines.

This famous ingredient works to prevent sparkplug misfire and misfiring can contribute to air pollution. As the next step in its drive for cleaner air, Shell will soon introduce a gasoline made without any lead at all. It will be called Shell of the Future because it is formulated for the cars of the future, starting with most of the 1971 models. Many cars now on the road will also be able to run on Shell of the Future. Shell dealers will be able to help you to determine if your car should be using it.

There are many ways to formulate gasoline without lead. Shell's blend is designed to give you good mileage, besides being good for cleaner air. You may have noticed blue pumps being installed in Shell stations in your neighborhood. Soon they will be pumping non-leaded Shell of the Future. Jt 'X i L-3 if j.

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