STUART, FL - JULY 11: Dennis McGuire, who works for Ecosphere technologies, looks on as the companies Ozonix EF80 machine is used in an attempt to kill the awful smelling algae at the Outboards Only marina along the St. Lucie River on July 11, 2016 in Jensen Beach, Florida. The algae which is thought to be coming from from Lake Okeechobee as water is released has fouled coastal waterways, created angry communities, closed beaches and has had an economic impact as tourists and others are driven away by the smell and inability to enjoy some of the waterways. (Photo by Joe Raedle/Getty Images)

JENSEN BEACH, FL - JULY 11: Trace McGuire uses a water blasting torrent as the company he works for, Ecosphere technologies,Êuses the Ozonix EF80 machineÊin an attempt to kill the awful smelling algae at the Outboards Only marina along the St. Lucie River on July 11, 2016 in Jensen Beach, Florida. The algae which is thought to be coming from from Lake Okeechobee as water is released has fouled coastal waterways, created angry communities, closed beaches and has had an economic impact as tourists and others are driven away by the smell and inability to enjoy some of the waterways. (Photo by Joe Raedle/Getty Images)

JENSEN BEACH, FL - JULY 11: Trace McGuire uses a water blasting torrent as the company he works for, Ecosphere technologies,Êuses the Ozonix EF80 machineÊin an attempt to kill the awful smelling algae at the Outboards Only marina along the St. Lucie River on July 11, 2016 in Jensen Beach, Florida. The algae which is thought to be coming from from Lake Okeechobee as water is released has fouled coastal waterways, created angry communities, closed beaches and has had an economic impact as tourists and others are driven away by the smell and inability to enjoy some of the waterways. (Photo by Joe Raedle/Getty Images)

(FILES) This file photo taken on January 11, 2015 shows General Motors President Dan Ammann speaking on the eve of The North American International Auto Show in Detroit, Michigan. General Motors believes in autonomous vehicles as a safer mode of transport, and expects the technology to come more quickly than most people think, a top executive said July 11, 2016. "There isn't going to be a particular moment or day when we see it -- it will unfold in a gradual way, but it will be a lot faster than people are expecting," said GM president Dan Ammann at the Fortune Brainstorm Tech conference in Colorado. / AFP PHOTO / JEWEL SAMADJEWEL SAMAD/AFP/Getty Images

TO GO WITH AFP STORY BY VALERIE LEROUX A French soldier of the Second Hussar Regiment, analyses on a computer observations and informations, at a base camp in Bitche, eastern France, on June 5, 2016. The French hussars of the Second Regiment in Haguenau will take part in the annual parade of July 14, as every year. / AFP PHOTO / PATRICK HERTZOGPATRICK HERTZOG/AFP/Getty Images

TO GO WITH AFP STORY BY VALERIE LEROUX A French soldier of the Second Hussar Regiment, analyses on a computer observations and informations as he takes notes, at a base camp in Bitche, eastern France, on June 5, 2016. The French hussars of the Second Regiment in Haguenau will take part in the annual parade of July 14, as every year. / AFP PHOTO / PATRICK HERTZOGPATRICK HERTZOG/AFP/Getty Images

TO GO WITH AFP STORY BY VALERIE LEROUX A French soldier of the Second Hussar Regiment based in Haguenau, uses a computer inside a hiding observation place as his teammate secures the hole in the forest in Haguenau, eastern France, on June 5, 2016, during a military exercise. The French hussars of the Second Regiment in Haguenau will take part in the annual parade of July 14, as every year. / AFP PHOTO / PATRICK HERTZOGPATRICK HERTZOG/AFP/Getty Images

TO GO WITH AFP STORY BY VALERIE LEROUX A French soldier of the Second Hussar Regiment based in Haguenau, uses a computer inside a hiding observation place as his teammate secures the hole in the forest in Haguenau, eastern France, on June 5, 2016, during a military exercise. The French hussars of the Second Regiment in Haguenau will take part in the annual parade of July 14, as every year. / AFP PHOTO / PATRICK HERTZOGPATRICK HERTZOG/AFP/Getty Images