[kube-system]

Was there something that happened that changed the needs of US families after 2009?

Because the trend in TFA only happened in the US, and only after 2009.

[disgruntledphd2]

> Because the trend in TFA only happened in the US, and only after 2009.

Fuel emissions standards changes, maybe? I vaguely remember that the monster trucks were the result of some efficiency changes introduced by Obama.