Pick one of many examples below. Lets hope shorters and charters can run their future cars on graphs. OR they can invest in a lithium company, where everything in future run on batteries. Need to learn graphs on a public forum?? Leave your money in a bank.
https://www.google.com.au/search?q=...Tzq_VAhVBipQKHT_ACC4Q_AUICSgB&biw=360&bih=559