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The MTBE controversy concerns methyl tert-butyl ether (MTBE), a gasoline additive that replaced tetraethyllead. MTBE is an oxygenate and raises gasoline's octane number . Its use declined in the United States in response to environmental and health concerns.
Methyl tert-butyl ether (MTBE), also known as tert-butyl methyl ether, is an organic compound with a structural formula (CH 3) 3 COCH 3.MTBE is a volatile, flammable, and colorless liquid that is sparingly soluble in water. [1]
The demand for ethanol produced from field corn was spurred by the discovery that methyl tertiary butyl ether (MTBE) was contaminating groundwater. [25] [28] MTBE's use as an oxygenate additive was widespread due to mandates in the Clean Air Act amendments of 1992 to reduce carbon monoxide emissions. MTBE in gasoline had been banned in almost ...
When Card Sound Bridge was opened, the State Road Department (the predecessor to the Florida Department of Transportation), extended the State Road 4A designation from downtown Homestead to Key West (prior to this, SR 4A went from the intersection of present-day U.S. Route 1 and US 41 in Miami to Homestead), even though there was still a 40 ...
A Florida Department of Transportation camera shows the flashing lights of rescue vehicles on the Seven Mile Bridge in the Middle Florida Keys early Monday morning, July 18, 2022.
Overseas Highway and Railway bridges, Florida Keys The Overseas Highway begins at a T intersection between US 1 and SR A1A, from which it heads east. [4] After crossing to Stock Island and forming the boundary between the eponymous district and incorporated Key West, US 1 proceeds through unincorporated Monroe County on Boca Chica Key, [5] past Naval Air Station Key West, and Rockland Key ...
Mariners Hospital: 91500 Overseas Hwy., Tavernier, 305-434-3000 In the Upper Keys, Mariners Hospital is a 25-bed hospital run by Baptist Health South Florida. Mariners dates back to 1962. Mariners ...
The Seven Mile Bridge in the Florida Keys was considered an engineering marvel when it opened in 1982. For 40 years, the span along the Overseas Highway has offered breathtaking views for people ...