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CHANGELOG.md

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Features and versions over time (changelog)

1.0

An MVP has been defined during the first quarter of 2022, the web version began by focusing on:

  • Targeted at consulting firms helping cities (not countries)
  • Focused on GHG estimation for BAU (First sheet, 1A)
  • Focused on passengers (no freight)

With the following features:

  • Select country/city and reference year
  • Create used accounts to specify profile type, save and track data
  • Proper presentation of the tool
  • A welcome page, with description of the tool, its goals and its relation to MYC
  • Compute GHG emissions (using the ASIF methodology) with the following parameters:
    • Vehicules-kilometers travelled (vkt)
    • Occupancy and average trip length per vehicle type
    • Vkt per fuel type
    • Average energy consumption and energy efficiency
    • CO2 impact of electricity
  • Improve the way data is filled
    • Progress bar to track data collection journey
    • Help in the choice of category of transport
    • Guide users in their inputs
    • Add a contact email or a way of reaching the MYC team
  • Predict emissions increase based on economic and travel growth between now and 2050 if nothing is done (Business As Usual)
  • Visualize output data as graphs
  • Ease the understanding of computations

2.0

In 2023, the version MVP2 was released, complementing the scope to match the functionalities of the excel spreadsheet. The following features were included:

  • Complete rework of the Inventory & BAU steps described in the first MVP. A project is now divided in three steps
    1. An inventory, focused only on the reference year. This is where vehicles and fuels are defined
    2. A Business as Usual (BAU) scenario, built on top of the inventory
    3. One or more Climate scenarios, to be compared to the BAU
    • Each step includes a small results page, to identify potential problems in data
  • Full rework of the User Interface
  • Match the features of the latest version of the offline tool (excel)
    • This includes an update on computation methods, filling option, new types of fuels such as hydrogen and an update of default emission factors
  • Creation of an educational path based on the MYC guides and notes from the Excel tool, including:
    • Explanatory and illustrated texts of various calculation methods
    • Description of the required data for each step
    • Detailed tooltips for each parameter
    • Concise formulas for intermediate calculations
    • Guidance on how data can be filled
  • Addition of a source entry and management system for each data point
  • Addition of a note-taking field on each page, providing a space to summarize assumptions and back-of-the-envelope calculations
  • Unlike MVP1, the tool now supports the input of climate scenarios, with or without prior calculations
  • Addition of a page for comparing different scenarios
    • This page contains a set of configurable graphs, exportable as PNG images or CSV files
    • It also includes a summary of the sources used in the project
    • Finally, it allows for downloading all data entered into the tool in CSV format. This export facilitates the transition from the online tool to Excel if necessary
  • Similar to MVP1, a project can be "validated", making it visible to other users
  • Unlike MVP1, population and GDP data have been removed since they are not used in emissions calculations

2.1 - Community Edition

2023 also includes the release of the version 2.1 - Community Edition, built with volunteer work from various contributors

  • Redesign of the tool's introduction page, now more visually appealing
  • Addition of new illustrations, icons, and a typeface in line with the MYC graphic design
  • Significant work has been done to standardize all interface pages, accompanied by various visual enhancements
    • For example, uniform cell sizes in tables and improved handling of text and number overflows have been implemented
  • These improvements affect all visible pages, as well as dynamic elements like tooltips and popups
  • In addition to numerous interface changes, a few bugs have been fixed:
    • Added support for HTTPS for a more secure browsing experience
    • Fixed a bug that prevented project creation under certain conditions
    • Corrected an incorrect vkt calculation based on the order of inventory filling in "fleet" mode
    • Fixed project deletion

2.2

  • Branding
    • Made MYC name & logo more visible
    • Colorize partner logos
  • UI
    • Fix text being cut short on required information fields on introduction pages
    • Fix invisible scrollbar on chrome (at least on unix)
    • Fix scrolling when choosing between default vehicle categories in inventory
  • UX
    • Display well to wheel results by default on inventory results page
    • Prevent users from adding special characters and letters in number fields, also convert commas to dot automatically.

2.3

  • Design rework on the welcome page
  • New feature: New vehicles and fuels can be added at the start of BAU & Climate scenarios, instead of having to go back to inventory and redoing all the steps
    • This is done at the first step of both BAU & Climate, using the button "Click here to edit vehicles and fuels"
    • Overall, the system is way more resilient to this kind of after-the-fact changes.
  • New feature: Climate scenarios can now be deleted if more than one is present

More information, and illustrations for the above list can be found on the Fabrique des Mobilités' wiki entry.