SAN FRANCISCO--So much investment, so much sturm und drang around
electric vehicles and the charging infrastructure. We're hailing
them one day, burying them the next, toasting them again the day
[Get ready for the
China Fabless Summit 2013, our Spring forum where Chinese startups will showcase their plans for the future of the electronics industry.]
Has there ever been another industry so fitful in its evolution?
This despite the full faith and credit of the U.S. government (and
others) backing the technology, the infrastructure and the promise
of a green future. Still, it may well bear fruit...someday.
Meanwhile, emerging from the alleyways of automotive innovation
is the driverless car. In the grand technological scheme, it's a complete and utter
surprise and represents a stunning
disruption of conventional wisdom--all while it leverages affordable, here-now
electronics technology. Thank you Gordon Moore, thank you Vint Cerf,
thank you Al Gore, thank you internet of things, thank you embedded
design engineers and software coders. Thank you Nevada and
pictured nearby are
Calif. Gov. Jerry Brown (left) with Google's Sergey Brin (sporting the spy beard) at a driverless car celebration
for legalizing driverless cars). You have set the type for
the next chapter in the history of disruption.
First of all, I think your mechanic friend needs to learn more about EVs. He won't be out of business at all, but he'll need to train himself on some different powertrain concepts.
The idea of having something better than a battery to provide the juice to the electric drivetrain works for me. But using a combustion engine to generate electricity won't solve anything much. My refrain on this is, use instead a hydrocarbon fuel, like all the options we have today, separate out from that fuel the H2, then feed that H2 to a fuel cell and an all-electric drivetrain.
Check this out:
This H2 extraction is done in the car. The efficency of this overall process easily, easily beats any combustion engine car. The overall efficiency of the fuel cell EV should be on the order of better than 60 percent, whereas the overall efficiency of a standard piston engine car is at or under 20 percent.
EVs have been around for more than century. The big unresolved issue is batteries. The batteries are too big, heavy, or expensive to make any inroads in the current transportation choices of the public.
Interesting Toyota stand, "there is no money in EV." My car repairman thinks EV will put him out of business. Both of these statements make me want an EV. But getting it charged in timely manner, is non-trivial. So what is wrong with an EV that has a small gas-turbine (nat gas) charging the batteries and powering the e-motors continuously? Overall, that could win.
The reason EVs, battery-powered EVs specifically, seem to be on a roller coaster ride, in terms of their popularity, is self-evident, Brian. It is because interest in them is all phoney baloney media and politician hype. Even GM had already shelved the whole Volt concept, until the government bailout forced them to resuscitate the project, for window-dressing purposes.
On the other hand, self-driving vehicles CAN happen. The problems can be worked out without having to depend on leaps of faith or the deliberate ignoring of fundamental shortcomings. And the "self driving" can be introduced gradually, where the initial products merely consist of driver warning.
Join our online Radio Show on Friday 11th July starting at 2:00pm Eastern, when EETimes editor of all things fun and interesting, Max Maxfield, and embedded systems expert, Jack Ganssle, will debate as to just what is, and is not, and embedded system.