[单项选择]

Consumer Demand and Development of Green Cars

The day automakers put the earth at the top of their agenda will go down in history. Reading this book, one gets the sense that day is coming, major automakers—still no paragons of environmentalism—have gotten the message that replacing the dirty internal-combustion engine is an urgent priority. With less than 5 percent of the world’s population, Americans produce 14 percent of all global warming carbon-dioxide gas. And car tailpipes pump out more than 30 percent of U. S. air pollution.
In his new book, Forward Drive: The Race to Build "Clean" Cars for the Future, environmentalist Jim Motavalli concludes that capitalist competition is leading the way over government mandates to clean up that exhaust. Motavalli chronicles the movement for cleaner cars: the few visionaries and zealots building and driving home-built battery-powered cars; the divided giant aut
A. The author intends to discuss the issue of global warming with top government leaders.
B. The author lays stress on the research of the climate of the earth.
C. The author attaches paramount importance to the protection of the earth’s environment.
D. The author considers the relation between automating and environmental pollution.