Please see https://www.independent.co.uk/news/uk/home-news/carbon-monoxide-poisoning-william-reid-kathryn-workman-inquest-cumbria-a8849551.html
William Reid and Katherine Workman died of carbon monoxide poisoning in October 2017 when William reversed his classic car into a plastic bag to keep it perfect. Very sad case. Shockingly unexpected consequence.