I drive the Hundwagen rather a lot - and use 50 litres of unleaded per week. I try and make up for it in other ways - no plastic bags, I reuse the old plastic bags I end up with, compost heap, recycle. Waste water gets collected and chucked on the plants. We only have one wheelie bin full of normal rubbish per month. I shop at farm shops as I go ( Read more... )