Complex sentence: The car started off in 1919 as still something of a rarity, and ended up in 1930 well on the way towards ubiquity; in fact, automobile production at the end of this period was not matched again until the 1950s.
Split into simpler sentences: The car started off in 1919 as still something of a rarity, and ended up, in 1930, well on the way towards ubiquity. In fact, automobile production at the end of this period was not matched again until the 1950s.