Posts
| Date | Title | Description | |
|---|---|---|---|
|
2026-01-02 | ENGR333 project Fall 2025 | The Fall 2025 ENGR333 project focused on development of a green revolving fund for the City of Grand Rapids. |
|
2025-12-06 | ABET-Lemelson award wrapup | Here are some final thoughts, photos, and links associated with the ABET and The Lemelson Foundation Engineering for One Planet Innovation in Sustainability Award ceremony… |
|
2025-10-26 | ABET-Lemelson award acceptance speech | On Friday, 24 October 2025, I received the ABET and The Lemelson Foundation Engineering for One Planet Innovation in Sustainability Award at a ceremony at the Marriott… |
|
2025-09-24 | Global transport emissions 1850-2020: Historical drivers and lessons for transport decarbonization | My latest article (with co-authors from Portugal and England) has appeared in Transportation Research Part D. In it, we look at global transport CO2 emissions from 1850 to… |
|
2025-09-08 | From twin transition to twice the burden? Digitalisation, energy demand, and economic growth | My latest paper is now available at https://doi.org/10.1016/j.ecolecon.2025.108747. The “twin transition” in the title is the ongoing digital transition and the hoped-for… |
|
|
2025-08-18 | Insights from the evolution of transport technologies, 1800–2020 | My colleague Bernardo Tostes is the lead author on my latest article: Insights from the evolution of transport technologies, 1800–2020: Energy use, transitions, and efficiency… |
|
|
2025-08-01 | ABET/Lemelson Innovation in Sustainability Award | I am surprised and humbled to be the recipient of the 2025 ABET and The Lemelson Foundation Engineering for One Planet Innovation in Sustainability Award. |
|
|
2025-07-24 | Part II | My latest article (again with co-authors Gregor Semieniuk and Paul Brockway) is now available at https://doi.org/10.1177/01956574251331966. This is Part II of a two-part… |
|
2025-07-07 | Energetic and Economic Aspects of Rebound, Part I: Foundations of a Rigorous Analytical Framework | With colleagues and friends Gregor Semieniuk (economist) and Paul Brockway (energy analyst), I developed a mathematical framework to describe the rebound effect. More than… |
|
|
2024-12-26 | ENGR333 project Fall 2024 | The Fall 2024 ENGR333 project focused on solar PV electricity generation for Calvin University. |
|
|
2024-11-27 | Calvin Solar Farm project featured in The Banner | The Fall 2024 ENGR333 Calvin Solar Farm project was featured in an article in The Banner today. |
|
|
2024-10-01 | Calvin Solar Farm interview | I was interviewed today on The Shelley Irwin Show. I discussed the Fall 2024 ENGR333 Calvin Solar Farm project. |
|
2024-06-17 | A country-level primary-final-useful (CL-PFU) energy and exergy database: overview of its construction and 1971—2020 world-level efficiency results | My colleague Paul Brockway is the lead author on a new article that took six years to write: A country-level primary-final-useful (CL-PFU) energy and exergy database… |
|
|
2024-05-20 | Estimation of useful-stage energy returns on investment for fossil fuels and implications for renewable energy systems | My colleague Emmanuel Aramendia is the lead author on a new article entitled Estimation of useful-stage energy returns on investment for fossil fuels and implications for… |
|
|
2024-04-28 | On the right track? Energy use, carbon emissions, and intensities of world rail transportation, 1840—2020 | My colleague Bernardo Tostes is the lead author on a new article entitled On the right track? Energy use, carbon emissions, and intensities of world rail transportation… |
|
|
2024-01-13 | ZA2005 blog comes back to life | Over the December 2023 holiday, I set a project for myself: resurrect four old blogs. |
|
|
2024-01-09 | CLPFUDatabase: A suite of R packages for energy conversion chain analysis | My latest article was published today and is entitled CLPFUDatabase: A suite of R packages for energy conversion chain analysis and was published in the Journal of Open… |
|
|
2023-10-06 | ENGR333 project Fall 2023 | The Fall 2023 ENGR333 project focused on the carbon neutrality date for Calvin University. |
|
|
2023-10-05 | ENGR333 project Fall 2022 | The Fall 2022 ENGR333 project focused on sustainable heating for Calvin University. |
|
|
2023-10-04 | ENGR333 project Fall 2021 | The Fall 2021 ENGR333 project focused on the sustainable housing and featured a partnership with Habitat for Humanity of Kent County. |
|
|
2023-10-03 | ENGR333 project Fall 2020 | The Fall 2020 semester ENGR333 class did not have an all-class project, due to the COVID-19 pandemic. |
|
|
2023-10-02 | ENGR333 project Fall 2019 | The Fall 2019 ENGR333 project focused on the energy rebound effect. |
|
|
2023-10-01 | ENGR333 project Fall 2018 | The Fall 2018 ENGR333 project focused on renewable energy generation. |
|
|
2023-09-30 | ENGR333 project Fall 2017 | The Fall 2017 ENGR333 project focused on campus energy cost savings. |
|
|
2023-09-29 | ENGR333 project Spring 2017 | The Spring 2017 ENGR333 project focused on campus energy consumption. |
|
|
2023-09-28 | ENGR333 project Fall 2015 | The Fall 2015 ENGR333 project focused on building operational efficiency. |
|
|
2023-09-27 | ENGR333 project Fall 2014 | The Fall 2014 ENGR333 project focused on net zero homes. I asked the students “What would it take for a home in Grand Rapids to become net-zero?” |
|
|
2023-09-26 | ENGR333 project Fall 2013 | The Fall 2013 ENGR333 project focused on production and use of biofuels at Calvin University. |
|
|
2023-09-25 | ENGR333 project Fall 2012 | The Fall 2012 ENGR333 project focused on a prospective West Wing addition to the Spoelhof College Center at Calvin University. |
|
|
2023-09-24 | ENGR333 project Fall 2011 | The Fall 2011 ENGR333 project focused on the Bunker Interpretive Center (BIC) at Calvin University. I asked the students “What would it take for Calvin College to obtain an … |
|
|
2023-09-23 | ENGR333 project Fall 2010 | The Fall 2010 ENGR333 project focused on heating and air-conditioning in campus dormitories, which are notoriously leaky and inefficient. |
|
|
2023-09-22 | ENGR333 project Spring 2010 | The Spring 2010 ENGR333 project assessed options for the design of a redundant data center for the Calvin campus. |
|
2023-09-21 | ENGR333 project Fall 2008 | The Fall 2008 semester ENGR333 project assessed the feasibility of a Green Revolving Fund for Calvin College. I asked the students “What would it take to implement a Calvin… |
|
2023-09-20 | ENGR333 project Fall 2007 | The Fall 2007 semester ENGR333 project involved a collaboration with students in BIOL354, taught by my colleague Dave Warners. We asked our students “What would it take to… |
|
|
2023-09-19 | ENGR333 project Fall 2006 | In the Fall 2006 semester, I challenged the ENGR333 students to “construct a realistic plan to make a significant impact on the Calvin College campus with electrical power… |
|
|
2023-09-18 | ENGR333 project Fall 2005 | In the Fall 2005 semester, I challenged the ENGR333 students to “develop realistic designs for the wellness center HVAC system and upgraded physical plant infrastructure.” |
|
|
2023-09-17 | ENGR333 project Fall 2004 | In the Fall 2004 semester, I assigned the first in a long series of ENGR333 all-class projects. |
|
|
2023-09-16 | About ENGR333 | ENGR333 is a class taken by senior mechanical engineering students and energy, environment, and sustainability engineering students at Calvin University, usually in the Fall… |
|
|
2023-07-27 | January Series in July | Today, colleague Kate Van Liere and I were featured on the January Series in July. |
|
2023-04-20 | Presidential Award for Exemplary Teaching | Tonight, I was awarded Calvin University’s Presidential Award for Exemplary Teaching. My acceptance speech follows. |
No matching items