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EEStor


How can EEStor be valued at $1.5 billion?

We've long given up on waiting for announcements from EEStor (and, to a lesser degree, their partner ZENN) to come true. But, with the latest move by ZENN to drop their plans to launch the cityZENN high-speed electric car and will instead focus on becoming a supplier of ZENNergy Drive electric vehicle drivetrain components – ZENN's low-speed vehicles (pictured) have also been curtailed – the reality is that ZENN and EEStor are tied at the hip. As our friend Darryl Siry writes over at Autopia points out, the bond between these ... Read more →

REPORT: Zenn cancels plans for high-speed EV, will focus on supplying ZENNergy Drive components Jeremy Korzeniewski

According to reports from Reuters and GM-Volt.com, Zenn Motors has canceled plans to launch its cityZENN high-speed electric car and will slow down work on its low-speed EVs. According to Zenn ...

REPORT: public demonstrations of EESTOR's sectretive EESU next month? Sebastian Blanco

Last month, we got a glimpse inside EEStor's ultracapacitor progress thanks to a leaked audio clip – admittedly, possibly on purpose – of someone interviewing EEStor CEO Dick Weir. At ...

Vinod Khosla stands by lithium ion batteries are "overhyped" statement; sees money to be made Sebastian Blanco

Sun Microsystems founder Vinod Khosla has not been shy about making his bets on the automotive future known. Wherever there has been an opportunity to invest in or promote advanced ethanol, it seems ...

EEStor information overload (not a typo) in leaked interview with CEO Dick Weir Sebastian Blanco

For about six hours recently, a leaked (we assume it was leaked) audiotape of someone speaking with EEStor CEO Dick Weir was available on Yahoo! video. Before the video was yanked, enterprising ...

EESTor update from ZENN CEO Ian Clifford; demonstrations coming in 2010 3 months ago on Autoblog Green

EEStor, the company behind the ultralight, ultra-efficient – and ultra secret – EEStor Electrical Energy Storage Units (EESU) that could change the electric car world, still isn't giving out much information about their product. But Ian Clifford, the CEO of Zenn Motors, is talking. ...

ZENN: Trust us, the EESTOR thing is totally cool, like $700,000 cool 5 months ago on Autoblog Green

Hype maintenance can be hard work. Following the Earth Day announcement that the EEStor ultracapacitor had passed independent tests that showed it had a relative permittivity of 22,500, the automaker most closely tied to the secretive company, ZENN, has come out to say two things. First, the test ...

Hype maintenance continues: EEStor issues update, correction 6 months ago on Autoblog Green

Granted, the update and correction that EEStor released yesterday regarding their "huge milestone" Earth Day announcement aren't that major, but we can't ignore it at this point. First, the update is that the "relative permittivity certification" stuff was done at a temperature range of -20 and 65 ...

EEStor "permittivity" follow-up, by someone who knows (Daryl Siry) 6 months ago on Autoblog Green

Following EEStor's permittivity announcement on Earth Day last week, I wrote a post that ended with a call for our readers to determine if the stated "relative permittivity of 22,500" was a big deal or not. There were some educated responses (thank you), but one refrain that kept appearing was that ...

EEStor comes up with an Earth Day announcement - it's "a huge milestone" 6 months ago on Autoblog Green

Delays, hype, and more delays. This is the short history of EEStor, the company that keeps on talking about what is supposed to be an ultracapacitor that reinvents electric drive vehicle energy storage. Whatever is really going on, EEStor did put out a press release for Earth Day that keeps beating ...

What is regenerative braking? 6 months ago on Autoblog Green

Ah, fire. One of humanity's oldest ways to generate energy. Technically, you could generate energy by burning brake pads, as seen in the picture above (thanks, Flickr!), but automotive engineers have managed to come up with a way to use brakes to generate energy without going up in flames. The ...

ZENN picks manufacturer for cityZENN highway-speed electric vehicle 7 months ago on Autoblog Green

How does this make sense: ZENN recently announced that company officials had selected a manufacturer to produce a highway-speed electric vehicle, called the cityZENN. Following this, ZENN's stock fell three percent. You'd think people would be happy with an announcement like that. As always, there ...

EEStor and GM up a tree, t-a-l-k-i-n-g? [w/VIDEO] 9 months ago on Autoblog Green

Once again, the internetz are abuzz with rumors and speculation concerning EEStor. This time the hubbub concerns the exact nature of their relationship with General Motors. If you're the last person on the planet who hasn't heard of them, EEStor is a company headquartered in Austin, Texas that ...

EEStor partner patent may keep eenthusiasts eexcited 10 months ago on Autoblog Green

For those "eenthusiasts" who still hold out hope that EEStor will come through on it's game-changing supercalifragilistic-capacitor pledges, a newly-awarded patent may offer some comfort. No, not the patent that EEStor itself was recently granted, but rather one that military application rights ...

EEStor gets patent for EESU, we get some details 10 months ago on Autoblog Green

Stop the presses! We've finally got some real information regarding EEStor's highly secretive capacitor-based energy storage system, though it's not exactly coming from the company itself. It seems that EEStor recently filed for patents of its new technology, which centers around a core of aluminum ...

ZENN founder remains committedly-non-committal on EEStor 11 months ago on Autoblog Green

The Globe and Mail has published a online question and answer session between readers and Ian Clifford, founder of ZENN Motors. Aside from assembling a neighborhood electric vehicle in Canada, ZENN has garnered attention for its involvement with EEStor. The latter has made some big claims about a ...

EEStor won't be delivering any production ultra-caps this year 1 year ago on Autoblog Green

Over the past couple of years a number of companies have burst onto the alternative fuel vehicle scene with big claims and little in the way of actual product. Not the least among these has been EEStor, a privately-held Texas company that claimed a major breakthrough in ultra capacitor technology. ...

EEStor signs exclusive contract with Light Electric Vehicles Company 1 year ago on Autoblog Green

Although they have yet to show off a prototype of their electrical energy storage unit (EESU) to a very curious public, the mysterious EEStor company has inked yet another deal. This time the future beneficiary of the super-duper capacitor is the Light Electric Vehicles Company (LightEVs) headed by ...

EEStor makes production milestone announcement of sorts 1 year ago on Autoblog Green

Fictive Atlantean confused charge Following months of silence about the progress of its potentially world-changing energy storage device, the secretive Cedar Park, Texas-based firm, EEStor, has issued a press release announcing that it has reached key production milestones. One such marker for ...

ZENN claims they will launch EEStor-powered EV in fall 2009 1 year ago on Autoblog Green

At ZENN annual shareholder meeting in Toronto yesterday, company officials made a big announcement about their plans to move beyond mere neighborhood electric vehicles. They plan to launch a model called the cityZENN which will be a fully certified electric car with 80 mph top speed and 250-mile ...

What's this? EESTOR convinces Lockheed Martin it's on to something 1 year ago on Autoblog Green

The EESTOR ultracapacitor is a technology we really, really want to know more about. The huge potential of these devices that we do know about certainly keeps our ears open for news - or rumors or anything, really - about the technology. We don't know much more about the actual ultracaps (aka ...

Is production of EEStor ultracapacitors being pushed back into 2008? 2 years ago on Autoblog Green

After having earlier proclaimed that they would have their remarkable new ultra-capacitors in production this year, it now looks like EESTor is delaying production for as much as six months. CNET actually managed to talk to EEStor CEO Richard Weir on the phone and he said that production would ...

Zenn claiming 500 mile range on 5 minute charge without any batteries 2 years ago on Autoblog Green

As Toyota hesitates on lithium ion battery technology and General Motors races ahead, Canadian startup Zenn is trying to leapfrog them. We've talked about ZENN before and also their deal with EEStor to use their ultra-capacitor technology. EEStor has made some pretty amazing claims as has ZENN. ...

Problems at ZENN and EEStor? 2 years ago on Autoblog Green

Recently, I've noticed that we've had a few comments regarding the lack of announcements coming from ZENN Motors and EEStor regarding when we might see an actual product using their new energy storage technology. In fact, it was even mentioned by one person who visited a ZENN dealership that he ...

New capacitor research could increase capacities by seven times 2 years ago on Autoblog Green

Researchers at North Carolina State University have developed a new type of capacitor which allows up to seven times the electrical storage potential as standard capacitors available today. The breakthrough apparently is a polymer called PVDF which can act as a high-performance dielectric, which is ...

EESTOR who? EPOD also working on vehicle ultracapacitor 2 years ago on Autoblog Green

There's been lots of speculation about the EESTOR ultracapacitor and just what kind of impact - if any - it will have on the hybrid and all-electric vehicle market. Just look below at the list of stories we've run in the past on the EESTOR and ZENN, which is the vehicle company the EESTORs are ...

Zenn buys into ultra capacitor company EEStor 2 years ago on Autoblog Green

ZENN Motor Company has paid $2.5 million for a 3.8 percent equity stake in ultra capacitor developer EEStor. The deal means that ZENN gets an exclusive deal for EEStor's batteries for small and medium sized vehicles. EEStor is going to use the money to fund the next stage of testing of their ...

Lang Motors creates a video for the ZENN NEV 2 years ago on Autoblog Green

NEVs, or neighborhood electric vehicles, don't seem to work out for everybody, but for those who can make them work despite the driving range and speed limitations, they are a good choice, as they can be fully electric and require no petroleum fuel at all. Here is a video from Lang Motors, ...

Nanotech strikes again! University of Arizona creates new capacitor technology 2 years ago on Autoblog Green

Readers who are familiar with hybrid and electric vehicle drivetrains will already know what a capacitor is, but here is a brief explanation. A battery is a chemical means of storing electricity, while a capacitor is a mechanical means of storing electricity. Both can be recharged, and both can be ...

More on EEstor's ultracapacitor - can we believe the hype? 2 years ago on Autoblog Green

ZENN Motors vehicle at the EDTA Conference last November More details have emerged about EEStor's ambitious ultracapacitor electrochemical battery replacement technology. EEStor sees applications for their Electrical Energy Storage Units (EESU) in everything from hybrid-electric and pure-electric ...

Quick update on EEStor and ZENN Motors 2 years ago on Autoblog Green

If you have been following AutoblogGreen for a while, you are familiar with EEstor, Inc., a company that has been working on an ultracapacitor power source that has gotten a lot of press in green circles. ZENN Motor Company is reported to be getting first access to the technology, and as we ...

EDTA Conference: Secret effects of EESTOR ultracapacitor info from ZENN Motor CEO 2 years ago on Autoblog Green

At the end of the day yesterday, I snagged a few minutes with ZENN Motor Company CEO Ian Clifford by the EDTA Conference refreshments table and posed the question that Darin left in the comments when I asked what readers wanted to know more about: what's up with this secretive EESTOR ...

Feel Good Cars wants EEStor technology by 2008 3 years ago on Autoblog Green

The owner of Feel Good Cars says he plans to incorporate EEStor technology in his vehicles by 2008. Ian Clifford says a four-passenger sedan can "drive like a Ferrari" with the technology. EEStor is a secretive company based in Texas that has been working on an "energy storage" device that ...


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