By 1975 consolidated sales surpassed $ 100 million as compounded annual earnings growth reached 20 percent . The Clean Air Act of 1970 , as well as the '' Agreement on Cooperation in the Field of Environmental Protection '' of the Moscow Summit ( 1972 ) , created a constructive environment for the pollution control industry . The 1970s energy crisis and the rise in fuel costs served to promote Betz 's products : Scale deposits on boilers increased fuel bills ; Betz 's products removed scale deposits and lowered maintenance and operating costs
Moscow Summit ( 1972 )
Moscow Summit (1972)
GE Betz