I've been told that acid-loving plants like gardenias, rhododendrons, things like that, love very acidic fertilizer.

NPR: Vegetable Gardening On A Budget

But that could encourage more output from Denmark's coal-fired plants, which are already blamed for spilling acid rain on Swedish forests, and perhaps also from nuclear plants in Russia and eastern Europe.

ECONOMIST: Energy policy

These are the first national standards to require use of modern control technologies to reduce mercury, arsenic, lead, hydrochloric acid and other hazardous air pollutants from coal plants.

WHITEHOUSE: Energy and Environment Latest News | The White House

In March, the EPA released new emissions standards that would require many coal-fired power plants to install scrubbers and other technologies to reduce emissions of arsenic, chromium, nickel and acid gases, which research has linked with adverse health impacts especially on children and toddlers.

FORBES: Utilities Resist New Toxic Emissions Regulations