Energy & Green Tech

Recycling cigarette waste to produce green fuel

Stricter environmental norms and fossil fuel pollution call for cleaner fuels such as biodiesel. This vegetable oil- or animal fat-based diesel is biodegradable—up to four times faster than petroleum diesel—and nontoxic.

Energy & Green Tech

Renewable solar energy can help purify water, research shows

Using electrochemistry to separate different particles within a solution (also known as electrochemical separation) is an energy-efficient strategy for environmental and water remediation: the process of purifying contaminated ...

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