Search results for: “renewables”
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Drone deployment: vertical take-off?
Drones cost just $1k-100k each. They may use 95-99% less energy than traditional vehicles. Their ascent is being helped by battery technology and AI. Hence this 14-page report reviews recent progress from 40 leading drone companies. What stood out most was a re-shaping of the defense industry, plus helpful deflation across power grids, renewables, agriculture,…
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Wind: aim higher?
This data-file contains a simple model for how wind speeds and wind power co-vary with altitude. 2x greater power could likely be harnessed by a kite at 300m than a similar-sized turbine at 80m.
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Vehicles: fuel economy and energy efficiency?
We have quantified the energy efficiency of 14 different transportation technologies, using real-world data and mechanics equations. Electrification raises auto efficiency 4x, from c15-20% to c60-80%. Novel electric technologies are also unlocking unprecedented fuel economies per passenger mile.
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Ventures for an Energy Transition?
This database tabulates c300 venture investments, made by 9 of the leading Oil Majors. Their strategy is increasingly geared to advancing new energies, digital technologies and improving mobility. Different companies are compared and contrasted, including the full list of venture investments over time.
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Round Trip Battery Efficiencies
Different batteries have different round trip efficiencies. We see great potential, for example, in electrification of the vehicle fleet, which can achieve c3.5x efficiency gains. We see less potential, for example, backing up the grid with hydrogen, which reduces total system efficiency by c30%.
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Biomass accumulation: CO2 fixed by trees and energy crops?
Different plant species fix 3-30 tons of CO2 per acre per year, as they accumulate biomass at 2-40 tons per hectare per year. The numbers matter for biofuels and for nature-based solutions. Hence this data-file compiles technical data into CO2 and biomass accumulation by plant species and by tree species, in different regions globally.
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Hydrogen Cars: how economic?
We model the relative economics of hydrogen cars, which are c85% costlier than US gasoline in our base case. In Europe, c20% cost-deflation could bring hydrogen cars close to competitiveness.
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Major technologies to decarbonise power?
Oil Majors will play a crucial role in decarbonising the energy system, while also securing the future of fossil fuels. Hence, to help identify the leading companies, this-data file summarises over 80 patents for de-carbonising power-generation, drawn from our database of over 3,000 patent-filings from the largest energy companies in 2018.
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De-carbonising carbon?
Decarbonisation is often taken to mean the end of fossil fuels. More feasible is to de-carbonise fossil fuels. This 15-page note explores two top opportunities for low-cost decarbonisation of coal and gas: ‘Oxy-Combustion’ and ‘Chemical Looping Combustion’. Leading Oil Majors support these solutions.
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Energy Economics of e-Scooters
This workbook contains all our modelling on the energy economics of e-scooters; a transformational technology for urban mobility. Included are our projections of per-mile costs, energy-economics, battery charging times, new electricity demand and displacement of oil demand.
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