Cheapest Cars to Own

In addition to price, car buyers should also factor in the cost of fuel, insurance and repairs when determining which vehicle will cost them the least.

New Rules for Light Bulbs Mean Lower Electric Bills

As federal energy provisions kick in, it means the end for inefficient light bulbs.

Last Chance for Home Energy Tax Credit

Go green and earn some green before year-end.

Picking the Best of Everything in 2011

We picked the brains of our staff experts to find out which blogs and other resources they swear by.

How to Be a Better Stock Investor

Improve your stock-investing skills by knowing how to buy and when to sell.

Cash In on the Natural Gas Shale Boom

Lease payments and royalties have turned gas-rich regions into boomtowns. You could share in the windfall.

7 Stocks to Benefit from the Shale Boom

If you're willing to take on the risks of investing in the controversial commodity, consider adding these stock picks to your portfolio.

Why the U.S. Faces Ongoing Energy Challenges

Nearly 40 years after the first energy crisis, we continue to rely heavily on oil, much of it from unstable countries.

14 Energy Stock Picks to Power Your Portfolio

These compelling buys in oil, gas, coal, nuclear and renewables offer sizzling opportunities for investors.

Electric Reality Check

Waiting lists for the Volt and Leaf are long, and early sales are confined to a few areas.

Power From the Center of the Earth

Chad McGowan of Fort Mill, South Carolina, doubled the size of his home but left his energy bill unchanged with a geothermal energy system.

Best of Everything 2010: Cars and Bikes

4 Green Stock Picks that Can Bloom in a Perilous Sector

Renewable-energy stocks suffer due to big-picture uncertainties, but prospects are better than they seem.

U.S. Energy Policy: Is Uncle Sam Green Enough?

Despite earmarking $100 billion for renewable energy, our government has drawn criticism for not being tough enough on environmental issues.

Venture Capitalists Go for Green Companies

With enough time to wait for the payoff, the venture crowd can afford to pour millions into the clean-tech sector.

Solar Roofing Grabs the Light

As consumers increasingly demand conservation minded building materials, companies are rolling out new products.

10 Best Cities for the Next Decade

They 10 metro area cities are prosperous, innovative and generate plenty of jobs, too.

States Vying for Alternative-Energy Firms

Take a look at which states are landing key solar and other high-tech firms.

Bet on Clean Energy

Consider these natural-gas stocks for the long term.

The Electric Company Pays Us

First, Tom Engel and Jan Deligans slashed their electricity usage. Then the couple switched to solar power. Now they get a check for nearly $50 every month.

Eight Innovations that Will Change
Your Future

No personal jet packs at the big-box store just yet, but we foresee technological breakthroughs that will make a real difference.

Modest Gains Likely at
Climate Change Meeting

Next week’s meeting won’t be a complete bust, as some had feared, but it’s sure to disappoint environmentalists.

My Story: Riding the Winds of Change

Building on his skills as an auto mechanic, Sibere Stewart switched careers and moved to the booming renewable-energy industry.

Climate Change Legislation:
What It Means to Businesses

Fuel costs will rise for consumers and companies, and even suppliers won’t escape headaches from the increases.