For those with limited time, I copied my main ideas, which were Post No. 11
Here goes;

Since the "real" MPG engines and methods are bought and stored by Corporate America, let's use some existing hardware.
This is all Junk we presently have, in production, with the bugs worked out.

1- All engines shall have One TBI [Throttle Body Injector per Cylinder
[IF it's good enough for Formula 1, put it on the road.

2 - All engines TBI manifolds shall be "tuned" like the Cross Ram Chrysler Wedge Motor
this builds torque at low rpm, and allows time for the mixture to completely atomize.

3 - All engines shall have ONE Oxygen Sensor per Cylinder, what's this crap putting a SINGLE O2 sensor on a multi-cylinder engine and getting an "average" air-fuel ratio ?

4 - Each Cylinder shall have independent timing & Air/Fuel mix controlled by the O2 sensor & ECM/PCM

5. All engines shall have a"Heat-Riser" valve for back pressure control. at low engine speeds, increased "back-pressure" builds torque,higher RPM and increased throttle demand, they open as necessary, ECM/PCM Controlled .

6 - All engines shall have insulation on the exhaust manifold to the catalytic converter for faster "Flame-On"

7. Catalytic converters shall be installed as close to the head as possible, minimizing the "Flame-on" time.

8 - All engines shall have variable valve timing.

9 - Engines shall be equipped with an Oil Debris monitor to keep the VVT operative.

10 - All cars shall be dimpled, like a Golf Ball to decrease drag, see Myth-busters for stats, Clean Car=26.4, 1084 golf ball dimples=29.6 mpg.

11 - All cars shall be equipped with shaped front air dams to reduce the drag [Cd] and to route airflow away from the front tires.

12 - All cars shall be made with under-body panels and side skirts to reduce drag.

13 - All cars shall be made with grill shutters like old diesel trucks and the Cruze ECO

14 - All engines will use hot air from the exhaust manifold instead of outside air, when ambient temps allow.

15 - Engines should be made with thicker and Sodium Filled Valves to allow for higher combustion temperatures and run at lower RPM's.

16 - Outside mirrors should be replaced with mini camera's and inside monitors to reduce drag, as well as "back-up" camera's and waring tones for objects behind the vehicle.

17 - Overall vehicle weight should be reduced, optional fancy components[power windows, seats etc] replaced with stronger A-Pillars and B-Pillars

18 - Ethanol / Alcohol fuel additives shall be replaced by other chemicals that do NOT require farmer subsidy, giving Monsanto yet another stronger foot hold on the economy.

19. Diesel Automobile EPA restrictions shall be relaxed to allow the burning of B-100 Bio-Diesel as long as it comes from sources that are NOT subsidized by the US Govt.
If the EPA will NOT relax the "too-much, too-soon" standards on Auto diesel engines,
then an in-tank monitor shall be installed to inform the ECM/PCM of the percentage of Bio-Diesel and perform DPF Burn-Off procedure's accordingly.

20 - The Last, [aren't you glad] TO THE BIG-3 and Everyone Else Making Cars.
We do NOT care about 300, 400 or more Horsepower, Except "performance" cars of course.

We DO care about, torque to get to road speed and mostly, MILES-PER-GALLON

And quit making those crap transmissions on FWD cars, Please..

Rusty Wrench

epilogue, comments like this can result in 'accidents'
Rudolph Diesel wanted his engine to operate of the Bio-Diesel of the time, his arguments were met with silence, as he was soon to meet his early demise.