What the new fuel standard really means

Federal regulators on Wednesday released a proposed rule for hiking the fuel economy for cars to be sold from 2017 to 2025, and it’s full of incentives for encouraging automakers to use battery-powered and other alternative-fuel technologies.

Biodiesel maker Renewable Energy Group files for $100M IPO

Biofuel companies may not get as much venture capital investments, but they sure are attracting a good number of investors in the public markets. Renewable Energy Group is turning to the public market route and on Monday said it will go public to raise up to $100 million.

How a Snapshot of a Green Data Center Can Be Misleading

Facebook’s unveiling of its energy-efficient data center in Oregon is being widely hailed as ground-breaking. But to me, Facebook’s touting of one specific efficiency metric shows just how a single snapshot of an energy-efficient data center can sometimes be misleading.

PHOTOS: Solaria and 110KW Demo Solar Array

Solaria corralled political dignitaries such as California Lt. Gov. Gavin Newsom to show off a new headquarters and adjacent demonstration array of its solar panels in Fremont Friday. The occasion marks a milestone for a company that took a while to engineer a product that could attract customers.

Range Fuels Lays Off Workers, Plans to Meet 2011 Target

Here’s the bad news from next-gen biofuel producer Range Fuels: The company has let some workers go. But the good news the company wants you to know is that Range Fuels is still planning to produce enough cellulosic ethanol to meet a government estimate for 2011.

2010 Year in Review of Biofuels

Biofuels took a step away from the limelight in 2010, replaced by the buzz surrounding electric vehicles. But there were still a variety of policy decisions, and economic milestones that made the sector interesting in 2010. Here’s the year in review for biofuels.

A Holy Cause: Fighting Climate Change

God and global warming: A coalition of religious groups is lobbying against a federal bill that would delay an Environmental Protection Agency program to regulate greenhouse gas emissions. What would Jesus do?

Zencoder Excited About Open Source VP8

Cloud encoding service provider Zencoder wants to support VP8 as soon as absolutely possible, and the company is excited about Google’s plans to open source the video codec at this week’s Google i/O developer conference in San Francisco. However, don’t count H.264 out just yet.

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NEA Closes Biggest Fund Since 2007: New Enterprise Associates said today it has closed a fund with nearly $2.5 billion in committed…

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A Year Later, Coal-Ash Spill Still on EPA’s Long To-Do List: One year after the failure of an earth-and-ash dam holding back…

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EPA Hearts Algae: Encouraged by recent interest in algae fuels by heavy hitters like ExxonMobil and Dow Chemical, the EPA is reportedly…

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EPA Grants California Emissions Waiver: The U.S. EPA today granted California a long-sought waiver to set tougher tailpipe emission limits than federal…

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Developing Countries Eye Efficiency: “Emerging markets are waking up to the fact that using energy more wisely puts money in consumer wallets,…

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Supreme Court Pick’s Track Record: Supreme Court nominee Sonia Sotomayor wrote the opinion in Riverkeeper vs. EPA, siding with the fishes and…

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Pentagon Picks Up Alternative Fuels Projects: The Defense Department, the largest consumer of energy in the U.S., spent some $18 billion on…

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Senate to Tackle Climate Change by Summer: Senate Majority Leader Harry Reid is pushing for a climate bill by the end of…

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Clean Car Subsidies Come to China: China’s central government plans to subsidize purchases of electric, hybrid and fuel-cell vehicles for public fleets…

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New Mission for Iceland’s Geothermal Industry: Engineers in Iceland, where geothermal power provides 30 percent of the nation’s electricity, have learned how…