According to a new report out this week from technology and consultancy giant Accenture, one or more — but almost certainly not all — of a dozen low-carbon transportation fuels now under development could transform that market (which accounts for about half of global primary oil consumption and up to 30 percent of global carbon emissions) within a decade. 
What will make a fuel technology disruptive? According to Accenture, it will have to: reduce hydrocarbon fuel demand by more than 20 percent (in other words, scale up) by 2030 and result in at least 30 percent fewer greenhouse gas emissio
ns compared to the conventional fossil fuel it's replacing. It will also have to be within reach from a business standpoint, meaning it will be commercially available within five years and be competitive with oil priced at $45-90 per barrel.
These 12 technologies are "in play," although government policies will have a significant effect on which ones emerge as winners in coming years.
- Next-generation internal combustion engine
- Next-generation agriculture
- Waste-to-fuel
- Marine scrubbers
- Synthetic biology (sugar-cane-to-diesel)
- Butanol
- Bio-crude
- Algae
- Airline drop-ins
- PHEV/EV/electrification engines
- Charging
- Vehicle-to-grid (V2G)
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