Toyota is cautious of the latest tech and trends. That's why they have not gone to stop/start technology. They figured the fuel savings on paper is not worth it long term. The green crowd will not address the inhumane treatment of the exploited humans- many of them children working in the lithium mines. They will not address the pollution to the ground, water and air done by the mining and then manufacturing of the lithium batteries. If those lithium batteries were mined and manufactured according to US guidelines of worker and environmental safety (yes the big United Racist States of America) I bet those batteries would cost $200,000 and not $15,000. The abundant slave labor and zero environmental laws on the other side of the planet make manufacture of batteries cheap so one can still afford a latte and sip it while planning their next protest.