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The Motor Ate the Gearbox: How eCVT E-Bike Drives Work
Two Eurobike drives put the gearbox inside the motor and use electricity instead of cogs to change ratio. It is the hybrid car’s power-split transmission, shrunk — and on an e-bike the efficiency it costs is worth about eight kilometres.
Why an E-Bike Battery Beats a Car Battery on Energy Density
A Taycan pack manages 148 Wh/kg. A 2027 e-bike pack claims 243. The bicycle wins on the same cells, because it does not have to be a crash structure, a cooling system or a fire barrier — and that is also why it has almost no headroom left.
Gobao’s Derailleur-Free Drive Published Its Numbers. One of Them Doesn’t Add Up
150 Nm, 1,500 W peak, 3.85 kg and a 500% stepless range, due February 2027. The weight claim is checkable and holds. The battery line-up says an extra 150 Wh costs 100 grams, which no cell on Earth can do.
Avinox Showed a Gearbox Motor and Almost No Numbers
The DJI-backed MG Concept published a 520% gear range and sub-0.1-second shifts, then declined to give a torque figure, a power figure, a weight or a price. Gobao showed a comparable drive at the same show and published everything.
Peaker Plants: Why the Grid’s Priciest Power Runs Least
A gas peaker is the most expensive power on the grid — up to $276/MWh — precisely because it runs so little, some for under ten hours a year. That is why batteries retire them first.
The BrightVolt Take: Utilities Want Your Home Battery Now
Green Mountain Power’s home-battery fleet replaced two peaker plants and saved $6M in one July hour. Utilities fought rooftop solar for years. Now they pay to install the batteries.
BYD Sealion 08: 900 km and a Nine-Minute Charge, Translated
BYD’s flagship Ocean SUV opens at $34,105 with claims of 900 km range and 10-97% in nine minutes. Converted to EPA terms that is about 666 km — and the charge claim implies a sustained 5.8C.
Capacity Accreditation Explained: Why a 100 MW Wind Farm Counts as 34 MW
Grids pay generators for a promise to show up when it matters, and ELCC decides how much of your nameplate counts. It is why PJM’s wind accreditation fell to 34% while four-hour storage rose to 59%.
Waymo Is Importing Chinese Robotaxis at Double Price. Here’s Why.
Waymo has landed 3,200+ Zeekr robotaxis under a tariff that roughly doubles their cost. The tariff isn’t the barrier — the model year 2027 connected-vehicle rule is, and the import surge looks like stockpiling.
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News / Reviews / Insights on all things Electric & Alternative Energy
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