I worry about global warming, air pollution and oil dependency.

Reducing energy needs and moving away from oil dependency would presumably address health, social, economic, and environmental problems.

And while the Chinese say their main concern is oil dependency, not global warming, more efficient cars should help on that score, too.

Can a hybrid play a significant role in solving the problems of oil dependency, auto emissions and climate change?

It could be a solution to issues like oil dependency, and possibly cheaper than gasoline in the future.

Managing the transition from oil dependency to smarter ways of living.

Americans want to be inspired to innovate and work like dogs until the day our country is free from its oil dependency.

Reducing oil dependency is one big part of the Kerry plan.

Fuel cell technologies are an attractive alternative to oil dependency.

Any serious effort to deal with global warming and oil dependency is going to outrage somebody.