Hard wood has relatively high specific strength (Oak wood is 2x steel’s specific strength in kN.m/kg), why we don’t see a lot of wooden car frames and bodies in modern cars?

Wood is cheaper than steel too. Average price for hardwood saw logs is around $35-40 per ton. Steel is far more expensive at over 600 per ton. A car body weights about 1-1.5 ton.

Making a similar strength car out of wood can save a lot of cost compared to steel.

Why wood is not used a lot in car frames and bodies?

If wood is too bulky for road vehicles, what about off road, slow moving vehicles like golf carts and tractors?

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