Final answer:
Texas automobile emissions regulations have evolved over time, resulting in significant reductions in harmful emissions and improved air quality.
Explanation:
Texas automobile emissions regulations have evolved over time, notably with the introduction of the Pavley bill in 2002, marking a shift towards regulating the climate impact of motor vehicles. These regulations have led to significant reductions in harmful emissions and contributed to improved air quality. For example, advancements in vehicle emission control technology and cleaner fuels have resulted in nearly 99% fewer emissions from cars compared to the 1960s, showcasing the positive impact of regulatory measures.
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