Since the early 1960s, road draft tubes have been used to replace PCV systems.

Name: Since the early 1960s, road draft tubes have been used to replace PCV systems.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Road draft tubes were used before the 1960s, but not as a replacement for PCV systems. In fact, PCV (Positive Crankcase Ventilation) systems were developed to replace road draft tubes due to their harmful emissions.

Since the Early 1960s, Road Draft Tubes Have Been Used