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Glenn Saint. Commercial Director. Why?. Reduction of harmful emissions Breathable harmful to health Atmospheric pollutants Reduction of Greenhouse gases CO 2 Carbon footprint Responsible for Climate Change Fuel savings and cost reductions. Reduction of “Carbon Footprint”.

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glenn saint

Glenn Saint

Commercial Director

  • Reduction of harmful emissions
    • Breathable harmful to health
    • Atmospheric pollutants
  • Reduction of Greenhouse gases CO2
    • Carbon footprint
    • Responsible for Climate Change
  • Fuel savings and cost reductions
reduction of carbon footprint
Reduction of “Carbon Footprint”
  • Carbon Dioxide CO2
    • Considered a main “Greenhouse Gas”
  • What can be done?
    • Reduce the amount of fuel burnt
    • Change the type of fuel burnt
carbon reduction
Carbon Reduction
  • Turning point for vehicle drive technologies
  • No single answer to carbon reduction issues
  • Diesel electric hybrid is only one possibility
  • Choice of technology may be locally driven
    • Source of fuel
    • Route mileage
    • Terrain
  • Needs to have retrofitable option to be future proof
what we will offer
What we will offer…
  • Optare will offer the operator a choice to match these local needs
  • Choice of fuel
  • Choice of technology
  • Future proof engineering allows for improvement and ongoing change
  • Retrofitable solutions, we need to address the whole vehicle parc
driver s binnacle
Driver’s Binnacle
  • All operations which directly affect safety, fuel economy and improved efficiency are monitored and fed back to the driver interface.
telematics overview
Telematics Overview

GPS Signal


Telecom Networks

Fleet Operator(s)




FTP Server

  • Data is collected by TGU
  • GPS data received from satellite system
  • Two way communication in blocks or on request
  • All vehicle data accessible to operators
  • Remote diagnostics package
  • Regular software updates
  • Tachograph download via network
  • Fleet management......etc
  • Least environmental impact of all fossil fuels 26% less carbon than diesel
  • Can be derived from landfill waste gas or anaerobic digestion
  • Use in a gas engine (Spark ignition)
  • Actual engine performance 25% worse! So no net carbon benefit
  • So what do we do?
dual fuel gas diesel
Dual Fuel Gas-Diesel
  • Engine efficiency same as diesel
  • Fuel consumption as diesel
  • CNG Compressed Natural Gas
    • Roof mounted tanks
    • Can be provided from LCNG plant
    • To 80% substitution
    • 20% reduction in CO2 on natural gas
    • 50% reduction using BioMethane
  • Retains existing diesel engine
  • Can be retrofitted
biomethane dual fuel summary
BioMethane Dual Fuel Summary
  • Technology partner Hardstaff Group multipoint injection system
  • Exclusive partner for new and retrofit buses
  • Optare to supply bus conversion
  • Hardstaff supply gas fuelling station and gas supply
  • Eligible for “Green Bus Grant”
  • First vehicle retrofit Solo Anglian bus, Hardstaff, Optare, UEA
pure plant oil
Pure Plant Oil
  • Pure Plant Oil (PPO) “Regenatec system”
    • 100% vegetable oil from Rape, Macadamia
    • 80% plus carbon reduction
    • Requires simple heating system for oil
    • Modest vehicle on-cost
temperature characteristics of mineral diesel ppo
target oil temp > 60°C

critical viscosity level

Temperature characteristics of mineral diesel PPO

typical PPO

mineral diesel

biofuel system
injector pump fuel return

coolant feed out

coolant feed in

Biofuel system
  • original fuel tank now holding biofuel oil
  • heated fuel filter
  • flush valve

fuel select valve

  • injection pump

auxiliary fuel tank holds start & end of journey flush diesel

in line fuel filter

pure plant oil summary
Pure Plant Oil Summary
  • Modest on cost
  • 80% carbon reduction
  • Can be locally grown or recycled fuel
  • Vehicles in service successfully Bracknell and Pembrokeshire
  • Working in partnership with Regenatec
    • Optare convert bus
    • Regenatec supply fuel
  • New buses and retrofit available
hybrid drives1
Hybrid drives
  • Reduces the amount of fuel burnt
  • Utilises energy wasted in braking
  • Stores the energy
  • Reuses the energy to propel the vehicle
  • Operate the engine at its optimum condition
  • Savings of 20% to 30% in fuel and hence CO2
  • Diesel Electric can be expensive!
hybrid versa solo siemens
Hybrid Versa & Solo (Siemens)
  • Siemens series hybrid drive system
  • Super capacitor energy storage (ISE)
  • Mercedes OM904 Euro5 engine
  • Engine driven ancillaries
flywheel based mechanical hybrid project
Flywheel based Mechanical Hybrid Project
  • Technology strategy board, fast-track project
  • UK partners
  • Twelve month demonstration project
features and benefits
Features and Benefits
  • Light weight space efficient design
  • Bolt on design option allows retrofit
  • Lowest energy conversion losses
  • Modest on-cost predicted
solo ev1
Solo EV
  • Fully electric ZERO Emission
  • Valence Lithium Iron Magnesium Phosphate batteries
  • Siemens 120kW traction motors
  • Electrically driven accessories
solo ev benefits
Solo EV Benefits
  • Zero Emissions in use
  • Typical well to wheel CO2 reduction > 50% On typical mix of European electricity, better on alternative energy
  • Eligible for the “Green Bus Grant”
  • Optare will offer Choice
  • Enhanced Diesel technology for 10-15% fuel saving
  • Full Electric EV for zero emission and min 50% CO2 reduction
    • Eligible for “Green Bus Grant”
  • BioMethane Dual Fuel 50% CO2 reduction
    • Eligible for “Green Bus Grant”
  • Hybrid drives, Diesel electric and Mechanical bolt on
  • All retrofittable
  • All future proof
thank you for listening do you have any questions
Thank you for listening

Do you have any questions?