EPA cracks down on motorcycle defeat device for muffler emissions; takes aim at aftermarket makers

Residents annoyed and awakened by loud motorcycles might hope the recent federal crackdown on Harley-Davidson for selling equipment to bypass air pollution control units would carry over to aftermarket muffler manufacturers whose products fail to meet either national air pollution or noise standards.

But, don't get too optimistic.

U.S. Environmental Protection Agency (EPA) officials say they're focused on enforcement of air pollution regulations, not motorcycle noise standards, while Bettendorf police wrote just two tickets for loud motorcycle mufflers over the four-year period 2010 through 2014.

Consequently, motorcyclists with illegal mufflers – two to four times as loud as the federal limit of 80 decibels – operate with impunity throughout the city, often late at night and early in the morning.

EPA survey finds $271 billion needed to shore up wastewater and stormwater treatment facilities

A U.S. Environmental Protection Agency (EPA) study says $271 billion is needed to maintain and improve the nation’s wastewater infrastructure, including leaking pipes that carry wastewater to treatment plants, sewage treatment plant technology, and management of stormwater runoff.

Report: sulfur dioxide most common air pollutant; Muscatine records highest number of exceedances

The majority of air pollution exceedances recorded in Iowa over the past five years occurred in Muscatine, with sulfur dioxide pollution the primary issue there and statewide.

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