A Activity diagram used in UML 6/9 and SysML B Bachman diagram Booch used in software engineering Block diagram Block Definition Diagram BDD used in SysML C Carroll diagram Cartogram Catalytic cycle Chemical equation Curly arrow diagram Category theory diagrams Cause-and-effect diagram Chord diagram Circuit diagram Class diagram from UML 1/9 Collaboration diagram from UML 2.0 Communication diagram from UML 2.0 Commutative diagram Comparison diagram Component diagram from UML 3/9 Composite structure diagram from UML 2.0 Concept map Constellation diagram Context diagram Control flow diagram Contour diagram Cordier diagram Cross functional flowchart D Data model diagram Data flow diagram Data structure diagram Dendrogram Dependency diagram Deployment diagram from UML 9/9 Dot and cross diagram Double bubble map used in education Drakon-chart E Entity-Relationship diagram ERD Event-driven process chain Euler diagram Eye diagram a diagram of a received telecommunications signal Express-G Extended Functional Flow Block Diagram EFFBD F Family tree Feynman diagram Flow chart Flow process chart Flow diagram Fusion diagram Free body diagram G Gantt chart shows the timing of tasks or activities used in project management Grotrian diagram Goodman diagram shows the fatigue data example: for a wind turbine blades H Hasse diagram HIPO diagram I Internal Block Diagram IBD used in SysML IDEF0 IDEF1 entity relations Interaction overview diagram from UML Ishikawa diagram J Jackson diagram K Karnaugh map Kinematic diagram L Ladder diagram Line of balance Link grammar diagram M Martin ERD Message Sequence Chart Mind map used for learning, brainstorming, memory, visual thinking and problem solving Minkowski spacetime diagram Molecular orbital diagram N N2 Nassi Shneiderman diagram or structogram a representation for structured programming Nomogram Network diagram O Object diagram from UML 2/9 Organigram Onion diagram also known as "stacked Venn diagram" P Package diagram from UML 4/9 and SysML Parametric diagram from SysML PERT Petri net shows the structure of a distributed system as a directed bipartite graph with annotations Phylogenetic tree - represents a phylogeny evolutionary relationships among groups of organisms Piping and instrumentation diagram P&ID Phase diagram used to present solid/liquid/gas information Plant Diagram Pressure volume diagram used to analyse engines Pourbaix diagram Process flow diagram or PFD used in chemical engineering Program structure diagram R Radar chart Radial Diagram Requirement Diagram Used in SysML Rich Picture R-diagram Routing diagram S Sankey diagram represents material, energy or cost flows with quantity proportional arrows in a process network. Sentence diagram represents the grammatical structure of a natural language sentence. Sequence diagram from UML 8/9 and SysML SDL/GR diagram Specification and Description Language. SDL is a formal language used in computer science. Smith chart Spider chart Spray diagram SSADM Structured Systems Analysis and Design Methodology used in software engineering Star chart/Celestial sphere State diagram are used for state machines in software engineering from UML 7/9 Swim lane Syntax diagram used in software engineering to represent a context-free grammar Systems Biology Graphical Notation a graphical notation used in diagrams of biochemical and cellular processes studied in Systems biology System context diagram System structure Systematic layout planning T Timing Diagram: Digital Timing Diagram Timing Diagram: UML 2.0 TQM Diagram Treemap U UML diagram Unified Modeling Language used in software engineering Use case diagram from UML 5/9 and SysML V Value Stream Mapping Venn diagram Voronoi diagram W Warnier-Orr Williot diagram Y Yourdon-Coad see Edward Yourdon, used in software engineering
OPAL Fuels is an emerging leader in the production and distribution of RNG, a proven low carbon fuel with a decades long track record of results that has the power to rapidly decarbonize the transportation industry.
OPAL Fuels is an emerging leader in the production and distribution of RNG, a proven low carbon fuel with a decades long track record of results that has the power to rapidly decarbonize the transportation industry.
We produce our RNG by capturing harmful methane emissions at their source, purifying them, and then using that energy to replace diesel and other high carbon intensity fossil fuels.
We produce our RNG by capturing harmful methane emissions at their source, purifying them, and then using that energy to replace diesel and other high carbon intensity fossil fuels. Our team is led by high performance experts with over 20 years of experience in the energy and transportation markets.
Contact OPAL Fuels The Nationwide RNG Fuel Experts Corporate Office One N. Lexington Ave White Plains, NY 10601 1 914 705 4000
Join our OPAL Fuels team and help make an impact by being part of our mission to solve the two most critical issues causing climate change. We’re capturing harmful methane emissions from the source and reducing greenhouse gas emissions from transportation.
With almost two decades of Renewable Natural Gas RNG construction project experience, OPAL Fuels is the nation's leading RNG project expert.
We capture harmful methane emissions at their source, cleaning them into a usable fuel and delivering them to fleet customers for a complete end to end solution.
WHITE PLAINS, N.Y. (BUSINESS WIRE) Oct. 22, 2025 OPAL Fuels (Nasdaq: OPAL) a leader in the production, marketing, and distribution of renewable and compressed natural gas (RNG and CNG) used as a transportation fuel for heavy duty trucking, today announced that it will release its earnings
OPAL Fuels builds, owns, and operates custom designed RNG fueling stations strategically located to meet the precise needs of your fleet operations and vehicle duty cycles. We provide industry leading, 24 7 service – and pass on all carbon credits and incentives to you through lower fuel costs.
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