1 of 32 checkable references need attention · checked 2026-07-23
At the dated check, the references listed below either did not resolve in
Crossref or DataCite, or carried a retraction notice. Each one is shown with the
registry record that put it there.
3 without a DOI — not checked. A reference
deposited without a DOI is never matched by title or guessed at; it stays outside the checked
set, and this line discloses that.
References needing attention
does not resolve to a known work10.1016/j.fuel.2019.1157781
Non-edible vegetable oils: A critical evaluation of oil extraction, fatty acid compositions, biodiesel production, characteristics, engine performance and emissions production
Combined effects of water emulsion and diethyl ether additive on combustion performance and emissions of a compression ignition engine using biodiesel blends
Effect of operating parameters and antioxidant additives with biodiesels to improve the performance and reducing the emissions in a compression ignition engine – A review
The effects of the fuel injection pressure on the performance and emission characteristics of a diesel engine fuelled with waste cooking oil biodiesel-diesel blends
Experimental investigation on the performance, combustion and exhaust emission characteristics of a compression-ignition engine fueled with cottonseed oil biodiesel/diethyl ether/diesel fuel blends
Biodiesel synthesis from Styrax officinalis L. seed oil as a novel and potential non-edible feedstock: A parametric optimization study through the Taguchi technique
The performance, emissions, and combustion characteristics of an unmodified diesel engine running on the ternary blends of pentanol/safflower oil biodiesel/diesel fuel
The effect of triacetin as a fuel additive to waste cooking biodiesel on engine performance and exhaust emissions
The 3 references without a DOI — listed, not checked
no DOI — not checkedAli, O. M., R. Mamat, R. Abdullah, and A. Abdullah. 2016. Commercial and synthesized additives for biodiesel fuel: A review. ARPN-JEAS 11:6. March.
no DOI — not checkedMadiwale, S., A. Karthikeyan, V. Bhojwani, and M. Dombale. 2017. Improvement of palm oil biodiesel properties using ethanol as an additive and its effect on diesel engine performance, combustion and emissions. ARPN-JEAS 12:13. July.
no DOI — not checkedMore, G. V., and Y. V. Hanumantha Rao. 2018. Biodiesel production with the help of different additives on the basis of standards – A review. Journal of Advanced Research in Dynamical & Control Systems 10 (9–Special Issue). http://www.jardcs.org/backissues/abstract.php?archiveid=4596.
What this badge says. CiteStamped means the CHECKABLE references of this
work were clean at the dated check: each resolved to a known work in a public registry, and none
carried a retraction notice at that time. It says nothing about the quality, findings,
or importance of the work itself, and nothing about references deposited without a DOI.
checked 2026-07-23 — re-checked daily as this page is visited;
titles and statuses come from Crossref and DataCite and are not part of the signed record
Both snippets point at the live badge image and link back to this page. The
badge re-renders from the daily check, so an embed never goes stale by more than a day of visits.