1. RENEWABLE FUELS:
U.S. subsidies for biodiesel create a mess

As far as Congress was concerned, the road to developing a U.S. biodiesel industry was paved with good intentions: Tax incentives would stimulate a growing supply of renewable fuel to reduce greenhouse gas emissions and create a new source of domestic fuel. But what has happened instead is a grand mess. Millions of dollars' worth of U.S. tax credits appear to have been collected by foreign biodiesel suppliers through a shipping practice called "splash and dash," and U.S. biodiesel exported to Europe has raised accusations of "biodumping" and the possibility of a trade war. Go to story #1

2. SOLAR:
A Prius or a solar rooftop? San Franciscans still go for the Prius

SAN FRANCISCO -- Mayor Gavin Newsom (D) has long promoted his hometown as the greenest city in America and staked much of his upwardly mobile political career on burnishing his environmental image. So why is this famously progressive city lagging in solar power installations? Simple answer: The city by the Bay is expensive. It's expensive to live here, expensive to do business, expensive to eat out and expensive to park. Go to story #2