  In this article we present some particularly important issues regarding the
CeCo$_{1-x}$Fe$_{x}$Ge$_{3}$ alloys. Firstly, the electrical resistivity below
2 K, down to 500 mK is studied to confirm the non-Fermi-liquid behavior around
the critical substitution range x~0.65. Secondly, the scheme of the crystal
electric field (CEF) levels has been investigated employing methods like
inelastic neutron scattering, specific heat, and magnetic susceptibility. It
aims to clarify different reports on the parent CeCoGe$_{3}$ compound and to
provide first data concerning CEF in the entire CeCo$_{1-x}$Fe$_{x}$Ge$_{3}$
series. Third, the effect of hydrogenation, especially around the quantum
critical point (QCP) (x~0.65) is verified.
