Donald Trump's $14 million Lincoln Memorial Reflecting Pool renovation couldn't stop algae from blooming in the D.C. heat and ...

Algae in the Reflecting Pool started growing just days after Trump’s $14M renovation: report - President Trump has claimed he ...

The Interior Department said the algae is residual after supply lines sat dormant for weeks.

Algae-based biodiesel has been hyped in the past as a renewable fuel that can be produced here in the U.S., lowering greenhouse-gas emissions without displacing food crops or taxing water supplies.