As a young boy, I wondered if their friction created more staticharge.
Are modern rubber tires formulated to be morelectrically conductive so less need for a grounding strap?
Thank you.
Some people have a short memory
Ha! Eight years ago. Forgothat I asked.
Thank you.
Forgetting posting the same topic, 8 years later? No worries, definitely forgivable 
Tom & Ray got a related query on a recent podcast, not about big trucks but a particular make/model of passenger car. Every time the caller paid the road-toll to the toll-taker, they both get a shock. The toll-taker said “all of those make/models do it”. The caller asks: why would my particular make/model cause a shock, but not others? Tom & Ray at first suggested it may have to do with the seat covering material used on that particular car. On the next episode they did a re-think & decided it probably wasn’t the seat material, but something about the tire material. IIRC the graphite content (graphite conducts electricity) was reduced to improve the rolling resistance and better the car’s mpg.
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