Complex sentence: There was then an attempt to build a battery operated, electric street railway in Colón starting in 1910, however it was reported around July 1914 in foreign press reports that work on the Colón project was suspended.
Split into simpler sentences: There was then an attempt to build a battery operated electric street railway in Colón starting in 1910. However, it was reported by July 1914 in foreign press reports that work on the Colón project was suspended.