ClearFlame Engines

ClearFlame Engine Technologies was a Woodridge, Illinois clean-combustion engine startup founded in 2016 by BJ Johnson and Julie Blumreiter, developing a retrofit technology that let conventional heavy-duty diesel engines run on ethanol and other low-carbon liquid fuels for the hard-to-electrify segments of transportation — long-haul trucking, agriculture, construction and other non-road diesel applications. It raised roughly $50M across Series A and B rounds from venture and industrial investors including John Deere, and appeared on secondary markets such as Forge Global. The company is a hardware and powertrain engineering business with no developer program, no public API and no machine-readable specifications; by 2025 it had lost investor support, its co-founder CEO had departed, it was listed as not in good standing in Illinois, and it moved toward bankruptcy and asset liquidation. Its website no longer serves content.

ClearFlame Engines is profiled on the APIs.io network. Tagged areas include Company, Engines, Clean Energy, Transportation, and Heavy Duty Trucking.

🌐 Visit website 📡 Source on GitHub

1.7/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

0 APIs

Company Engines Clean Energy Transportation Heavy Duty Trucking Decarbonization Ethanol Manufacturing

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 1.7/100 · minimal

Contract Quality 0.0 / 21

Developer Ergonomics 0.0 / 17

Access Clarity 0.0 / 17

Operational Transparency 0.0 / 11

Contract Governance 0.0 / 10

Discoverability 3.9 / 9

Regulatory Posture 0.0 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Energy & Utilities regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/clearflame-engines: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Resources

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

aid: clearflame-engines
name: ClearFlame Engines
description: ClearFlame Engine Technologies was a Woodridge, Illinois clean-combustion engine startup founded in 2016 by BJ
  Johnson and Julie Blumreiter, developing a retrofit technology that let conventional heavy-duty diesel engines run on ethanol
  and other low-carbon liquid fuels for the hard-to-electrify segments of transportation — long-haul trucking, agriculture,
  construction and other non-road diesel applications. It raised roughly $50M across Series A and B rounds from venture and
  industrial investors including John Deere, and appeared on secondary markets such as Forge Global. The company is a hardware
  and powertrain engineering business with no developer program, no public API and no machine-readable specifications; by
  2025 it had lost investor support, its co-founder CEO had departed, it was listed as not in good standing in Illinois, and
  it moved toward bankruptcy and asset liquidation. Its website no longer serves content.
url: https://raw.githubusercontent.com/api-evangelist/clearflame-engines/refs/heads/main/apis.yml
x-api-posture: no-product-api
x-api-posture-basis: observed
x-api-posture-note: 'The company is a hardware and powertrain engineering business with no developer program, no public API
  and no machine-readable specifications; by 2025 it had lost investor support, its co-founder CEO '
x-type: company
x-source: harvest:secondary-market
x-tier: stub
x-tier-reason: harvest
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
specificationVersion: '0.23'
created: '2026-08-09'
modified: '2026-08-09'
tags:
- Company
- Engines
- Clean Energy
- Transportation
- Heavy Duty Trucking
- Decarbonization
- Ethanol
- Manufacturing
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://clearflameengines.com
x-enrichment:
  date: '2026-08-09'
  status: nochange
  artifacts_added: 0
  pass: local-v1
x-coverage:
  state: none
  reason: defunct
  detail: ClearFlame moved toward bankruptcy and asset liquidation in 2025 after losing investor support, and clearflameengines.com
    now answers every path with a Cloudflare 522 (origin unreachable) — the last Wayback capture of a working site is 2025-07-09,
    and there was never a developer program on it to begin with.
  evidence:
  - url: https://www.clearflameengines.com/
    status: 522
  - url: https://www.clearflameengines.com/.well-known/agent-card.json
    status: 0
  - url: https://api.clearflameengines.com/
    status: 0
  - url: https://pypi.org/simple/clearflame/
    status: 404
  checked: '2026-08-09'

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