'Self-cleaning' concrete could keep buildings looking new

Building materials that clean themselves could save immense time and labor in homes and businesses, as well as reduce disease risk in settings such as hospitals. Now, researchers reporting in ACS Applied Materials & Interfaces ...

Clean power from waste heat

Siemens has developed a technology to use waste heat, which previously had gone unused, to generate electricity. The solution employs silicone oils, which have a lower enthalpy of vaporization than water, and is needed because ...

Congress considers major global warming measure

(AP) -- The last time Congress passed major environmental laws, acid rain was destroying lakes and forests, polluted rivers were on fire and smog was choking people in some cities.

Turning olive oil waste into energy to benefit rural economies

A pilot plant capable of converting toxic olive oil waste into heat and electricity has been built at an olive farm in AndalucĂ­a. The facility, constructed through the EU-funded BIOGAS2PEM-FC project, was completed in November ...

World energy agency sees record oil demand next year

Emerging economies will be the main force in the global oil market next year, driving demand to a record high level, International Energy Agency (IEA) data showed on Thursday.

Heating oil phase-out part of NYC clean-air plan

(AP) -- The city will phase out the use of polluting heavy oils to heat buildings and will begin building solar power plants on capped landfills, Mayor Michael Bloomberg said Thursday in his first update to a 4-year-old ...

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