With help from Washington, a new crop of entrepreneurs are building pragmatic, planet-friendly enterprises. What do you think – is now the time to invest in green energy?

Eco-friendly companies are learning how to hype up their green products. How does your company market its eco-friendly products?

A small N.J. company says it has created a physics-defying power source. What do you think: Will BlackLight's discovery work or flop?

Brian Dumaine's The Plot to Save the Planet discusses small-business owners who are creating the green houses, cars, and energy sources that will slash our fuel bills and help clean up our ecosystem. What do you think about these new green technologies?

Entrepreneurs are finding that even though eco-friendly offices cost a bit more, they deliver long-term benefits. Do you work in a green office? Tell us about it.

What's your take on the new solar energy products such as Nanosolar's thin film systems? Do you think solar power will ever be affordable?

What do you think of electric motorcycles?

Small business suppliers should prepare to pay for emissions data required by large retailers like Wal-Mart and Procter & Gamble. That data will determine which are the preferred suppliers, based on their green ranking.Are you enraged that big companies are requiring small suppliers to research their emissions? Do you think suppliers should be penalized for not providing this data?

The energy bill passed last month includes a scattering of loan and training programs for small businesses. Think it goes far enough?