Heredity or environment: why is automobile longevity increasing?

Article Abstract:

A study investigated automobile longevity, which has changed dramatically since 1974, to determine whether cars last longer because they are better constructed or whether automobile owners are induced to maintain and preserve their cars into older age because of something in the external environment. Findings strongly indicate that automobile longevity is not due to more durable construction but rather to a truly dramatic improvement in the environment where cars 'live' their lives.

Design and construction, Motor vehicles

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The effects of the Corporate Average Fuel Efficiency Standards in the US

Article Abstract:

A study was conducted on the impact of the Corporate Average Fuel Economy Standards on automobile prices, sales and fuel consumption. The 1984-1990 Consumer Expenditure Survey was utilized in developing a continuous vehicle utilization model and a discrete choice automobile demand model. Results indicate that, through incentives, the standards encourage the development of fuel efficient automobiles.

Standards, Energy policy, Automobile industry, Energy conservation, Fuel and fuel systems, Automotive fuels, Automotive fuel systems

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