Complex sentence: The Toyota Voltz was a tall station wagon sold from 2002 to 2004 by NUMMI in Fremont, California and marketed by Toyota in its home market of Japan but curtailed after a disappointing sales volume of just over 10,000 units.
Split into simpler sentences: The Toyota Voltz was a tall station wagon sold from 2002 to 2004. It was assembled by NUMMI in Fremont, California and marketed by Toyota in its home market of Japan, but curtailed after a disappointing sales volume of just over 10,000 units.