Complex sentence: Aston continued to appear in races throughout the 1953 season but there was never enough money to develop the program properly and when the new F1 regulations came in 1954 the story of Aston-Butterworth came to an end.
Split into simpler sentences: Aston continued to appear in races throughout the 1953 season but there was never enough money to develop the program properly. When the new F1 regulations came in 1954 the story of Aston-Butterworth came to an end.