Complex sentence: The first California Cars (8000 series) were built by Morrison-Knudsen and were delivered in 1996, the remainder (6000 series) were built by Alstom and delivered in 2000 and 2001.
Split into simpler sentences: The first California Cars (8000 series) were built by Morrison-Knudsen and were delivered in 1996. The remainder (6000 series) were built by Alstom and delivered in 2000 and 2001.