Engineering

Photocatalytic concrete for clean air in underground tunnels

The air quality in underground road tunnels tends to be worse than in other road environments due to the poor air circulation. To address this issue, researchers at the Korea Institute of Civil Engineering and Building Technology ...

Automotive

US fines Hyundai $47 mn over dirty diesel engines

South Korean shipbuilding and industrial firm Hyundai Heavy Industries will pay a $47 million fine for illegally importing and selling dirty diesel engines in violation of American environmental rules, US authorities announced ...

Engineering

Innovative grilling technique improves air quality

Restaurant owners are increasingly turning to fired charcoal grills to prepare meals for customers—but the odors and fumes emitted by these grills are often a source of irritation for nearby residents. The German Environment ...

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