Visitors look at electric cars on the first day of the "Inter Solar Connecting Solar Business" exhibition, the annual Intersolar Middle East forum for professionals in the solar power industry, in Dubai on September 19, 2016. A fleet of electric vehicles, including the Tesla model S and X will take part in an eletric vehicle road trip (EVRT) on the UAE roads. The fleet of vehicles will drive a pre-planned route of over 700km, making purposeful stops in each of the 7 Emirates. / AFP PHOTO / KARIM SAHIBKARIM SAHIB/AFP/Getty Images

Visitors look at electric cars on the first day of the "Inter Solar Connecting Solar Business" exhibition, the annual Intersolar Middle East forum for professionals in the solar power industry, in Dubai on September 19, 2016. A fleet of electric vehicles, including the Tesla model S and X will take part in an eletric vehicle road trip (EVRT) on the UAE roads. The fleet of vehicles will drive a pre-planned route of over 700km, making purposeful stops in each of the 7 Emirates. / AFP PHOTO / KARIM SAHIBKARIM SAHIB/AFP/Getty Images

Wim Alen (L) Senior Vice President for Business Development at Engie, listens to a question during the "Inter Solar Connecting Solar Business" exhibition, the annual Intersolar Middle East forum for professionals in the solar power industry, in Dubai on September 19, 2016. / AFP PHOTO / KARIM SAHIBKARIM SAHIB/AFP/Getty Images

Wim Alen (L) Senior Vice President for Business Development at Engie, listens to a question during the "Inter Solar Connecting Solar Business" exhibition, the annual Intersolar Middle East forum for professionals in the solar power industry, in Dubai on September 19, 2016. / AFP PHOTO / KARIM SAHIBKARIM SAHIB/AFP/Getty Images

Visitors attend the first day of the "Inter Solar Connecting Solar Business" exhibition, the annual Intersolar Middle East forum for professionals in the solar power industry, in Dubai on September 19, 2016. / AFP PHOTO / KARIM SAHIBKARIM SAHIB/AFP/Getty Images

Visitors attend the first day of the "Inter Solar Connecting Solar Business" exhibition, the annual Intersolar Middle East forum for professionals in the solar power industry, in Dubai on September 19, 2016. / AFP PHOTO / KARIM SAHIBKARIM SAHIB/AFP/Getty Images

Visitors gather near a model of a solar city during the "Inter Solar Connecting Solar Business" exhibition in Dubai on September 19, 2016, the first day of the annual Intersolar Middle East forum for professionals in the solar power industry. / AFP PHOTO / KARIM SAHIBKARIM SAHIB/AFP/Getty Images

Visitors gather near a model of a solar city during the "Inter Solar Connecting Solar Business" exhibition in Dubai on September 19, 2016, the first day of the annual Intersolar Middle East forum for professionals in the solar power industry. / AFP PHOTO / KARIM SAHIBKARIM SAHIB/AFP/Getty Images