Spam? Yes. Triggered probably by "shield the tires."
Its an anti-car jack, abduction device to allow driving off when the tires are
shot out. A big, fat rubber donut that installs on the rim, inside the tire...
Strangely, it reminded me of the US Pres being denied a hybrid vehicle by his
security forces.
Looking to find any possible connection with the topic of the thread, any
contribution to better MPGs would be limited. It would add flywheel effect,
and might help somewhat at maintaining steady velocity. But would hurt
greatly in town where frequent accelerations are called for.
Flats Over