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Concentration of CO2 in the Atmosphere

August 17 Green Energy News

Opinion:

“EPA’s State-by-State Carbon Limits Indicate Smart Policy, Not Arbitrary Rulemaking” Since this announcement, the usual suspects have attacked the CPP, calling its proposed state-by-state reduction standards arbitrary. Their claims couldn’t be further from reality. [Energy Collective]

World:

Renewable electricity sources generated 38% of the electricity consumed in Spain last month. Almost 30% of the […]

August 16 Green Energy News

Science and Technology:

It is now generally recognised that rooftop solar is comparable or cheaper than grid prices in many countries over the last few years. The big question now is about the combination of solar and battery storage. Some large organizations say it could arrive in four to six years, or even sooner. [CleanTechnica] […]

August 15 Green Energy News

World:

The price of thermal coal has dropped 51% since July 2011, according to Australian Ethical Investment – and the company’s international equities trust portfolio manager Nathan Lim thinks the trend is likely to continue. Nine important reasons for this are provided. [Property Observer] Anaerobic digestion specialist Biogen has successfully completed construction and begun operations […]

August 4 Green Energy News

Science and Technology:

A new material could allow more utilities to store large amounts of renewable energy, says a new research. The new electrode made of a liquid metal alloy enables sodium-beta batteries to last longer, helps streamline their manufacturing process and reduces the risk of accidental fire. [Big News Network.com]

World:

US-based First Solar […]

July 23 Green Energy News

Opinion:

“Will the micro-grid put major power companies out of business?” There is now a range of units such as cogeneration plants, which deliver heat and electricity, wind turbines and solar PVs, owned by a whole raft of municipalities, households and businesses. [The Guardian]

Science and Technology:

A new material developed at MIT is able […]

July 4 Green Energy News

Science and Technology:

Two important studies recently released on the economic costs of climate change show us the very high costs of continuing on our current carbon pollution trajectory. One is from the Risky Business Project, the other from top climate economists Simon Dietz and Nicholas Stern. [Energy Collective] The EPA has just given the […]

July 3 Green Energy News

Disruption and Transformation:

A new book by Stanford University’s Tony Seba, Clean Disruption of Energy and Transportation, has a dramatic prognosis: Silicon Valley will make oil, nuclear, natural gas, coal, electric utilities and conventional cars obsolete by 2030. [CleanTechnica] Adnan Z. Amin, Director-General of the International Renewable Energy Agency and initiator of a series of […]

Report: Vermont Economy, Job Market Reaps Major Benefits from Renewable Fuels Industry

Homegrown American Fuels Support 598 Jobs, $25.0 Million in Wages

WASHINGTON, DC — The Fuels America coalition today released an economic impact study by John Dunham & Associates showing the far-reaching benefits of renewable fuels for Vermont workers and businesses.

Renewable fuels now represent nearly 10% of America’s fuel […]

Local production for local use is the ‘biofuel’ model that works in Vermont

The Vermont Bioenergy Initiative offers local perspective in response to recent ethanol news and shares new statewide bioenergy website resource

Montpelier, VT — A report published this week in Nature Climate Change indicated that ethanol made from corn residue can reduce soil carbon and increase CO2 emissions, indicating the harvested leftovers from corn are “worse […]

Vermont Technical College’s Anaerobic Digester

VTC’s Anaerobic Digester. Photo courtesy of VTC.

By George Harvey

Can you imagine anything more exciting than an anaerobic digester, filled with waste food scraps from a school cafeteria, agricultural spoilage, chopped hay, and lots and lots of manure, pumping out methane (aka swamp gas)? If you can answer “yes” to this question, I […]