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NACFE releases guidance report on hydrogen fuel cell heavy-duty trucks

Green Car Congress

Many factors will influence this, including emissions regulations, infrastructure, hydrogen availability and total costs of ownership. —Amy Davis, President of New Power Business, Cummins. Hydrogen is a regional solution, cheap hydrogen even more so. The report contains 101 figures and 230 references.

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CMU researchers find controlled charging of PHEVs can cut cost of integration into electricity system by 54-73%; higher benefits with wind power

Green Car Congress

In a new study published in the journal Applied Energy , Carnegie Mellon University (CMU) researchers found that controlled charging of plug-in hybrid electric vehicles (PHEVs) reduces the costs of integrating the vehicles into an electricity system by 54–73% depending on the scenario. —Weis et al.

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BNEF report finds hydrogen promising decarbonization pathway, but carbon prices and emissions policies required

Green Car Congress

The falling cost of making hydrogen from wind and solar power offers a promising route to cutting emissions in some of the most fossil-fuel-dependent sectors of the economy, such as steel, heavy-duty vehicles, shipping and cement, according to a new report from BloombergNEF (BNEF). Abatement cost with hydrogen at $1/kg (7.4/MMBtu).

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Harvard team demonstrates new metal-free organic–inorganic aqueous flow battery; potential breakthrough for low-cost grid-scale storage

Green Car Congress

AQDSH 2 refers to the reduced form of AQDS. In a paper in Nature , they suggest that the use of such redox-active organic molecules instead of redox-active metals represents a new and promising direction for realizing massive electrical energy storage at greatly reduced cost. Cell schematic. Huskinson et al. Click to enlarge.

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Build a Passive Radar With Software-Defined Radio

Cars That Think

A reference antenna picks up a signal from, say, a cell tower, while a surveillance antenna is tuned to the same frequency. The reference and surveillance signals are compared. Building off the demand stimulated by this activity, a number of manufacturers have started making premium, but still relatively cheap, SDRs.

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2023 Honda HR-V EX-L AWD Review – Enticing Yet Flawed

The Truth About Cars

For reference, my test car had the available all-wheel drive system. The electric power steering manages to feel actually connected to the road and not too artificial. The only downside is that some materials feel cheap, especially in the top-trim EX-L I drove – a vehicle that costs $30,590.

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Heating Buildings With Solar Energy Stored in Sand

Cars That Think

These initiatives have largely focused on renewable electric power generation, distribution, and storage. Inside the system, electrically powered resistive heating elements heat air to more than 600°C. It must deliver power to people when they need it, where they need it, and at a manageable price.

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