Posts Tagged ‘emissions’

Are new regulations too tough on coal?


DUKE (US) — The cost of complying with tougher EPA air-quality standards could cause a shift away from coal and toward natural gas for electricity generation, according to a new study. Continue…

Friday, April 5, 2013 14:50 - 0 Comments


Earth & Environment - Mar 4, 2013 11:12 - 0 Comments

Study: Fix California’s new permits for emissions

U. VIRGINIA (US) — California just launched the world’s first economy-wide “cap-and-trade” system for emissions. It could use some tweaks, say experts. (more…)

Earth & Environment - Feb 12, 2013 13:19 - 0 Comments

Light makes new carbon storage give up CO2

MONASH U. (AUS) — A new, energy-efficient material that stores large amounts of carbon dioxide, then releases it, could drastically reduce emissions from coal power stations. (more…)

Earth & Environment - Dec 3, 2012 17:24 - 2 Comments

Could the US say goodbye to crude oil?

PRINCETON (US) — The United States could eliminate its need for crude oil by using a combination of coal, natural gas, and non-food crops to make synthetic fuel, experts report. (more…)


Earth & Environment - Mar 29, 2012 8:35 - 0 Comments

Federal rules cut state ozone output

RICE (US) — A new state-by-state study finds that federal emissions standards have effectively lowered ozone levels since 2004. (more…)

Earth & Environment - Dec 16, 2011 10:26 - 2 Comments

Greener commutes with eco-routes

U. BUFFALO (US) — The path of least emissions may not always be the fastest way to drive somewhere, but it’s possible for drivers to cut emissions without significantly slowing travel time, researchers say. (more…)

Science & Technology - Oct 13, 2011 16:52 - 2 Comments

Big batteries not always best for hybrids

CARNEGIE MELLON U. (US) — Thinking about buying a new plug-in vehicle? You may want to check the size of its battery first. (more…)


Earth & Environment - Sep 30, 2010 11:31 - 0 Comments

Diesels are Beijing’s biggest polluters

CORNELL (US) — The 62-mile, nine-day traffic jam in Beijing’s August heat made international headlines—and an epic amount of air pollution. (more…)

Earth & Environment - Aug 11, 2010 17:06 - 0 Comments

Emissions down but still underestimated

U. COLORADO (US)—Chemical pollution hovering over Houston that is produced by manufacturing petroleum products may be getting thinner, but is still significantly underestimated, according to airplane measurements taken as part of a new study. (more…)

Earth & Environment - Jul 8, 2010 15:22 - 3 Comments

Racecars run faster, cleaner on ethanol

U. CHICAGO (US)—A fuel-injected racing car engine powered by E-85, an ethanol-based fuel, outperforms the same engine with a carburetor and leaded racing fuel. (more…)


Earth & Environment - Jan 20, 2010 15:06 - 0 Comments

Ozone spike linked to overseas emissions

COLORADO (US)—Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in Asia. (more…)

Earth & Environment - Aug 11, 2009 4:00 - 0 Comments

Beijing air sets Olympic gold standard

CORNELL (US)—Aggressive efforts by the Chinese government to curtail traffic, increase emission standards, and halt construction led to cleaner air in Beijing during the 2008 Olympics, a new study finds. (more…)

Earth & Environment - May 28, 2009 22:23 - 7 Comments

Freeways: Twelve lanes of toxic pollution

UC IRVINE (US)—Researchers are confirming what most Southern Californians know intuitively: Living by a freeway isn’t a very good idea. Diesel-engine exhaust is largely the reason why. (more…)


Earth & Environment - Apr 17, 2009 9:08 - 1 Comment

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A way to save trees? Knock on (fake) wood!

STANFORD (US)—Researchers have developed a synthetic wood substitute that may one day save trees, reduce greenhouse gas emissions and shrink landfills. The faux lumber is made from a new biodegradable plastic that could be used in a variety of building materials and perhaps replace the petrochemical plastics now used in billions of disposable water bottles. (more…)

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