Near the 15 min mark Laynie waxes poetic about what her life would be like if her parents were alive. Layne is Colin's sister meaning her parents are The Harts from season one. No mention was made of any death other than Mr Hart being drunk after Colin died. Perhaps an episode was filmed and never aired.
Even if Ephram had money for gas, 16 year olds cannot drive alone in a vehicle after dark.