I generally like the idea. If that´s not a boxer, what is?

The second crankshaft seems cheaper than a whole valvetrain with its
variable controls. Just put the lower half of an engine on top of the
engine itself, sounds easy

But those common valve controls probably have a reason, so that second
crank must not be that simple...
It probably would need to adjust/modify itself to the timing of the
first crank. Ouch!
I think it needs a belt or chain, controlling timing between both
crankshafts via a variable tensioner.
That ugly gear in the video combining both cranks can´t be the solution.
Package issue in small engine compartments (probably not in the F150 !),
and not covering all emissions.

Something like that.
YMMV

Regards
Raimund

Am 07.03.2018 um 17:48 schrieb Jim. Felder:
> Everything is wrong with this new engine--opposed piston, combustion
> ignition, two-cycle. But check out the video and tell me--if it became
> popular—that you wouldn't want one in your Vanagon.
>
> <
> https://www.cnet.com/roadshow/videos/radical-new-engine-makes-a-run-at-reality/?ftag=ACQ-00-10aaa5b&vndid=00e8ca988f7d01a748f9a28d57d69900d7
> Jim