Earlier quoted context omitted.
I also reasoned that the trolly would be replaced. But with a newer, less polluting model. However I did not take into account the CO2 emissions and possible industrial accidents at the trolly factory or trolly materials mines.
Almost universally, the most eco friendly trolley (clothes, home) is the one you already have.
https://www.theguardian.com/environment/2009/aug/17/car-scra...