Biogas to CNG The Future is Now! November 19, 2013 Chris Voell, BioCNG, LLC

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Stella West
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1 Biogas to CNG The Future is Now! November 19, 2013 Chris Voell, BioCNG, LLC

2 Why is bio-cng a relevant topic of discussion? Billions of cubic feet of biogas wasted annually (non-performing asset). Fuel a large part of operating budgets (and increasing). Renewable energy markets in flux. Growing interest in cleaner transportation and energy independence.

3 Biogas-CNG Benefits Significant savings over gasoline and diesel 50-75% savings over current gas/diesel cost Control of fuel source and costs Cost locked in for years Competitive advantage Respond to growing CNG hauling contracts Bring value cheaper, cleaner, quieter Contribute to green and sustainable image Significant pollution reduction

4 Biogas-CNG Benefits Builds out alternate fueling infrastructure Distributed cleaner, greener infrastructure Major greenhouse gas reductions % GHG reductions v. gasoline/diesel Dollars stay home! For every $1 saved on fuel, you ve injected $2 in local/state economy (multiplier effect) When local biogas used locally as CNG

5 Bio-CNG: The Cleanest Option 120 Direct GHG Emissions (gco2e/mj): Diesel and Alternative Fuels Derived from C.A. Resources Board LCFS, 2009/2012.

6 Successful Projects

7 BioCNG Biomethane - Renewable Natural Gas (RNG) ** Same infrastructure for RNG as for fossil fuel-cng

8 Potential U.S. RNG Market Sources Current Nationwide Biogas Sources ~1,800 landfills collecting gas 600 operating LFG energy projects (excess biogas) electric contracts expiring 195 manure/organics-based digesters At least 8,000 opportunities (new source of biogas) 1,200 WWTP digesters (unused biogas) Huge growing potential with food waste/organic AD systems.

9 200 cfm of Landfill Gas/Biogas TPD food waste 3,000 milking cows or < w/co-digestion Excess gas at large landfill; small landfill stand-alone project 20 MGD WWTP or < w/co-digestion 40,000 finishing hogs or < w/co-digestion

11 Fuel Production Potential Assume 500 biogas projects at average of 500 cfm each (58% methane) For 500 Projects - 455,000,000 DGEs/year ~ 7 billion DGEs over 15 years For local communities and fleets huge economic and environmental upside

12 Trucks & Buses Shifting To CNG: Cleaner, Quieter & Cheaper Fuel Fleets, Communities & Drivers Love Them

14 Current Renewable Natural Gas Projects in the US Site State Details Altamont Landfill CA refuse trucks Columbus Bio-Energy Digester OH 25+ vehicles Fair Oaks Dairy IN 42 milk-delivery semis McComas Bluff Landfill TX RNG via pipeline (Redeem) Rumpke Landfill OH refuse trucks Sauk Trails Hill Landfill MI RNG via pipeline (Redeem) BioCNG Projects Dane County Landfill WI solid waste and parks fleet Janesville Wastewater Plant WI 40+ vehicles by 2022 City of Riverview Landfill MI Growing local municipal fleets Sacramento Biodigester CA 40+ recycling vehicles St. Landry Parish Landfill LA 15+ vehicles - Sheriff s Fleet

15 Dane County, Wisconsin Landfill (50 cfm LFG = 175 DGEs/day)

16 St. Landry Parish, Louisiana Landfill (50 cfm LFG = 175 DGEs/day; adding 100 for contract hauling fleet)

17 City of Riverview, Michigan Landfill (100 cfm LFG = 400 DGEs/day)

18 Clean World Sacramento Biodigester and Atlas Disposal (100 cfm digester biogas = 500 DGEs/day; adding 200 for 1500 DGEs by Q1 2014)

19 CleanWorld-Atlas ReFuel Overview 25 TPD Organic Digester (100 TPD by Q1 2014) BioCNG 100 system currently installed (will add BioCNG 200 in parallel) BioCNG 100 produces 500 DGEs a day 1500 DGEs a day when complete 150,000 gallons of diesel not used (450,000 soon) Savings of ~$1M in fuel cost annually (RINs?) 100+% reduction in GHGs v. diesel

22 South San Francisco Transfer Station

23 On-Site Fueling: Biogas-CNG Cost CNG current national average price $2.07 BioCNG CapEx and O&M 200 cfm, 60% methane, $.07 kwh BioCNG 200 Upgrade and Fueling Station $1.7-$2.1M (hard and soft costs) Total Production Cost - $1.33 DGE O&M includes media, electricity, labor, replacement for BioCNG skid and With combo fast fill and time fill fueling station With federal ($0.25) and state excise taxes ($0.25 assumed) No depreciation or amortization

24 Bio-CNG 200: Sample Project 200 cfm of biogas at 60% methane Fuel Production 320,000 Diesel Gallon Equivalents (DGEs) per year 4.8M DGEs over 15 year project life Fuel Savings $ ,000 annually ($1.5-2 less) Renewable Fuel Credits (RINs) $150,000 per year ($0.47 per DGE) $640,000 per year ($2.00 per DGE) Additional Benefits Trucks 10x quieter than diesel PR-community relations Air pollutant reductions Competitive advantage Driver satisfaction Clean fueling facilities

25 Federal Renewable Fuel Standard Credits Renewable Identification Numbers (RINs) Means to track, register and monetize environmental attributes of alternative vehicle fuels Available through 2022 Direct payment not a tax credit The Advanced Biofuel (D-5) RIN has fluctuated, ranging from as low as $0.28 to as high as $1.20 per RIN. This equates to $0.47-$2.04 per DGE of CNG produced and used. Carbon Waiver Credit for LFG-based CNG in 2014 Add $0.42 / DGE (now a D-3 RIN) 25

26 Biogas-CNG Summary Low cost fuel and fixed long term Compatible with all CNG infrastructure Greenest fuel Feasible at small scale

27 Chris Voell Another innovation from

Converting Biogas to CNG for Vehicle Fuel. September 30, 2013 Chris Voell, Eastern Sales Manager

Converting Biogas to CNG for Vehicle Fuel September 30, 2013 Chris Voell, Eastern Sales Manager BioCNG, LLC BioCNG system Developed by Cornerstone Environmental to economically produce biogas-based CNG