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Hydrogen

All articles tagged with #hydrogen

environment26 days ago

New Study Reveals Hydrogen's Limited Climate Benefits and Global Budget Challenges

A study published in Nature warns that hydrogen, often seen as a clean energy source, may contribute to climate change by prolonging methane's presence in the atmosphere, thus slightly increasing global temperatures. The rise in hydrogen emissions, mainly from human activities like industrial leaks and fossil fuel use, indirectly enhances warming by reducing atmospheric detergents that break down methane, highlighting the need for a deeper understanding of hydrogen's role in climate dynamics.

via ScienceAlert|
#climate-change#environment#global-warming
science27 days ago

The Rising Importance of a Global Hydrogen Budget in Climate Change

The article discusses the global hydrogen budget, highlighting the current reliance on energy-intensive grey hydrogen, the potential shift towards green and blue hydrogen by 2030–2040, and the climate implications of hydrogen leakage, which acts as an indirect greenhouse gas. It presents a comprehensive analysis of hydrogen sources and sinks over the past three decades, estimates the recent decade's hydrogen budget, and projects future climate impacts, emphasizing the need for better data and understanding of hydrogen's role in the climate system.

via Nature|
#blue-hydrogen#climate-change#green-hydrogen
energy-and-environment3 months ago

Energy Department Cuts Green Projects Amid Shutdown Controversy

California's hydrogen industry faces a setback as the Biden administration cancels a $1.2 billion federal grant for a key hydrogen project, but state leaders and industry stakeholders remain optimistic about alternative funding and continued development, emphasizing California's commitment to clean energy despite federal setbacks.

via Politico|
#california#climate-policy#energy-and-environment
science3 months ago

New Gas Bridge Between Galaxies Reveals Cosmic Matter Cycle

A new discovery from the WALLABY survey using the ASKAP telescope revealed a 160,000-light-year-long gas bridge between two dwarf galaxies, formed by tidal interactions, and a massive gas tail caused by ram pressure as the galaxies move through the Virgo cluster's hot gas, providing insights into the cosmic cycle of matter between galaxies and intergalactic space.

via The Conversation|
#galaxies#gas-bridge#hydrogen
science-and-technology6 months ago

Japan Discovers Cost-Effective Metal Boosting Hydrogen Production by 1,000%

Researchers in Japan have developed a cost-effective manganese oxide catalyst with a unique 3D structure that significantly increases hydrogen production efficiency and durability in water electrolysis, potentially replacing expensive rare metals like iridium in PEM electrolysers and advancing sustainable hydrogen energy.

via Farmingdale Observer|
#electrolysis#hydrogen#manganese
science-and-technology1 year ago

Revolutionary Solar Tech Converts Water to Green Hydrogen

Japanese scientists have developed a new technology using a special photocatalyst to convert sunlight and water into hydrogen fuel, potentially offering a sustainable alternative to fossil fuels. This method, which employs a two-step water-cracking process, has shown promising results in real-world conditions, achieving higher solar energy conversion efficiency than in laboratory settings. However, the current efficiency is still below 5%, and further research is needed to improve photocatalysts and scale up the technology for practical use.

via Interesting Engineering|
#hydrogen#japan#photocatalyst
energy1 year ago

Kansas Emerges as Hotspot for Hydrogen Exploration

In Kansas, startups backed by investors like Bill Gates are exploring for naturally occurring hydrogen, a potential clean energy source. This venture, akin to a modern Gold Rush, could significantly impact the energy transition if successful. However, it carries the risk of failure and may divert crucial climate venture capital from established emissions-reducing technologies.

via Bloomberg|
#bill-gates#clean-energy#energy
automotive1 year ago

Toyota and Rivals Innovate Next-Gen ICE Engines Amid EV Shift

Toyota has reaffirmed its commitment to developing new internal combustion engine (ICE) vehicles, including part-hydrogen-powered options, alongside its EV efforts. The company plans to introduce smaller, battery-assisted ICE engines for hybrid and plugin hybrid vehicles, aiming for production around the end of 2026 to align with new EU emissions regulations. Toyota's leadership believes that a diversified approach, including gas, hybrid, and hydrogen investments, is more practical for achieving carbon neutrality than focusing solely on battery-electric vehicles.

via TESLARATI|
#automotive#ev-batteries#hybrid
environment1 year ago

"Biden Administration Reconsiders Cutting-Edge Power Plant Pollution Proposal"

The Biden administration is considering scaling back its ambitious power plant pollution rules, potentially eliminating the use of hydrogen alongside natural gas and allowing a slower phase-in for certain aspects. This move comes amid political challenges and questions about the industry's ability to adopt innovative climate solutions. The administration faces pressure from a conservative Supreme Court and concerns over the rapid adoption of clean hydrogen technology. The potential changes could impact the EPA's ability to defend against legal challenges, and the final rule is expected to face lawsuits regardless of the outcome.

via CNN|
#biden-administration#environment#epa